---
title: "English word lists: API"
package: "@phaser-ae/english-words"
tier: Free
version: 3.0.0-0
released: 2026-10-21
updated: 2026-10-21
description: "A word list for word games: 69,223 common English words in the pack, searched by pattern, prefix, anagram, the letters a rack can spell or nearness to a typo, with seeded picks."
url: https://phaser.io/packs/english-words/api
site: Phaser - https://phaser.io
---

# English word lists: API

`@phaser-ae/english-words` — The Common English Lexicon's 69,223 words, plus your own lists, with exact, pattern, prefix, anagram, buildable and fuzzy search and seeded picks.

## The pack

### `englishWords`

```ts
function englishWords(options: EnglishWordsOptions = {}): Pack<{ words: WordsApi }>
```

The english-words pack: `game.words`, the Common English Lexicon (69,223 words) and lists of your own, with exact,
pattern, prefix, anagram and fuzzy search. Headless; needs no world or renderer.

## Helpers

### `ALPHABET`

```ts
const ALPHABET: "abcdefghijklmnopqrstuvwxyz"
```

The 26 letters every word is made of, in order.

### `CEL_COMMIT`

```ts
const CEL_COMMIT: "5836e959e56bac99547345837aacbde8f2a623b8"
```

The CEL commit these words come from.

### `CEL_COUNTS`

```ts
const CEL_COUNTS: Readonly<Record<number, number>>
```

How many words of each length, 69223 in all.

### `createWordList`

```ts
function createWordList(source: Iterable<string> | string, options: WordListOptions = {}): WordList
```

A list of your own words: an array, or text as `parseWords` reads it. Each entry is normalised as `normaliseWord`
does (so `"Tyrannosaurus Rex"` becomes `tyrannosaurusrex`) and duplicates are kept once. Throws a RangeError for an
entry that is not a word, unless `options.invalid` is `'skip'`.

### `editDistance`

```ts
function editDistance(a: string, b: string): number
```

The fewest single-letter edits that turn `a` into `b`: an insertion, a deletion, a change, or two neighbouring
letters swapped (`hte` → `the` is 1). Case and the characters `normaliseWord` drops are ignored. This is the
distance the fuzzy search ranks by.

### `englishLexicon`

```ts
function englishLexicon(options: EnglishOptions = {}): WordList
```

The Common English Lexicon: 69,223 English words of 2 to 45 letters, chosen as common for word games, by Eric Smith
and Kenji Matsumoto (MIT licence). By default the 86 rated offensive (slurs, strong swearing, explicit terms) are
left out; `rating: 'family'` leaves out 147 milder ones too, and `'unfiltered'` keeps all. Shared and decoded a length
at a time, the first time a length is asked for. With options, a list narrowed to `min`..`max` letters with
`include` added and `exclude` taken out.

### `normaliseWord`

```ts
function normaliseWord(text: string): string | null
```

A word's letters as they are stored: lower case, a-z only. Spaces, hyphens, apostrophes and full stops are dropped
and accents taken off (`"T. Rex"` → `trex`, `"café"` → `cafe`). Null when anything else is left or nothing is.

### `parseWords`

```ts
function parseWords(text: string): string[]
```

The words in `text`: one entry per line, or separated by commas or semicolons. Blank entries and lines starting
with `#` are skipped. Entries are not normalised; `createWordList` does that.

### `word`

```ts
function word(text: string): Word
```

A word from text: `word('Crane').at(2)` → `'a'`. Throws a RangeError for anything but letters. Not checked against any list.

## Functions

### `wordRating`

```ts
function wordRating(word: string): WordRating | null
```

A lexicon word's rating: `'offensive'` (slurs, strong swearing, explicit terms), `'mature'` (milder swearing, sex,
the body, crime), or null for every other word. Rated for the words of the Common English Lexicon; any other text is
null. Case does not matter.

## Classes

### `Word`

```ts
class Word
```

One word, with questions about its letters: what is at a position, how often a letter appears, whether a partly
traced word is on its way to this one, and whether its letters can make another word. Make one with `word(text)`
or take one from a list (`pick`, `sample`, `list.word`). Immutable.

- `readonly text: string` — The word in lower case, a-z only.
- `constructor(text: string)` — Normalises `text` as `normaliseWord` does. Throws a RangeError when it holds anything but letters.
- `get length(): number` — How many letters.
- `get first(): string` — The first letter.
- `get last(): string` — The last letter.
- `get upper(): string` — The word in capitals, as most word games show it.
- `get letters(): ReadonlyArray<string>` — The letters in order, one string each.
- `get sorted(): string` — The letters in alphabetical order, as one string: two words are anagrams when these are equal.
- `at(index: number): string` — The letter at `index`, counting from 0; a negative index counts back from the end (-1 is the last letter). Throws a RangeError outside the word.
- `is(index: number, letter: string): boolean` — Is `letter` at `index` (from 0; negative from the end)? False outside the word. Case does not matter.
- `has(letter: string): boolean` — Does the word contain `letter`?
- `count(letter: string): number` — How many times `letter` appears. Throws a RangeError for anything but one letter.
- `positions(letter: string): number[]` — Every position of `letter`, from 0, in order.
- `startsWith(part: string): boolean` — Does the word start with `part`? A traced or typed word that is still on its way to this one does.
- `endsWith(part: string): boolean` — Does the word end with `part`?
- `includes(part: string): boolean` — Does `part` appear anywhere in the word?
- `next(part: string): string | null` — The letter that comes after `part` when `part` is the start of this word, else null (also when `part` is the whole word). What a hint shows a player halfway through tracing it.
- `matches(pattern: string): boolean` — Does the word fit `pattern`? `?`, `.` or `_` is any letter, `[abc]` any of those, `[^abc]` any but those.
- `canMake(other: string | Word): boolean` — Can `other` be spelt with this word's letters, each used no more often than it appears here? `listen` can make `silent`, `tin` and `lest`, not `tilt`. What a letter-wheel puzzle asks of its base word.
- `isAnagramOf(other: string | Word): boolean` — Is `other` the same letters in another order? A word is not an anagram of itself.
- `equals(other: string | Word): boolean` — The same word, ignoring case and the characters `normaliseWord` drops?
- `toString(): string` — The word, lower case.
- `toJSON(): string` — The word, lower case, so a Word goes into a save as a plain string.

### `WordList`

```ts
class WordList
```

A list of words, any size, from the English lexicon (`englishLexicon`) or your own (`createWordList`). Every word
is lower case, a-z only; every lookup ignores case. Immutable: `filter`, `with` and `without` return new lists.

- `readonly name: string` — A name for messages and for telling lists apart.
- `readonly size: number` — How many words.
- `readonly lengths: ReadonlyArray<number>` — The lengths that have words, shortest first.
- `constructor(name: string, counts: ReadonlyMap<number, number>, private readonly group: (length: number) => ReadonlyArray<string>)` — Use `createWordList` or `englishLexicon` rather than this. `counts` gives each length's word count and `group(length)` that length's words, sorted, when first asked for.
- `ofLength(length: number): ReadonlyArray<string>` — Every word of `length` letters, in alphabetical order. Empty for a length the list has none of.
- `words(): string[]` — Every word, shortest first, alphabetical within a length.
- `has(text: string): boolean` — Is `text` in the list? Case and the characters `normaliseWord` drops do not matter.
- `word(text: string): Word | null` — `text` as a `Word` when it is in the list, else null.
- `find(query: WordQuery = {}, limit = Infinity): string[]` — Every word that matches, shortest first and alphabetical within a length, at most `limit` of them.
- `count(query: WordQuery = {}): number` — How many words match.
- `first(query: WordQuery = {}): Word | null` — The first word that matches, in `find`'s order, as a `Word`, or null.
- `isPrefix(prefix: string): boolean` — Does any word start with `prefix` (or equal it)? What a grid solver asks before it goes a letter deeper, and what a game asks of a word the player is still tracing.
- `completions(prefix: string, limit = Infinity): string[]` — Words that start with `prefix`, in alphabetical order (not by length), at most `limit`.
- `anagrams(letters: string): string[]` — Words made of exactly `letters`, rearranged (`anagrams('least')` → `slate`, `stale`, `steal`, `tales`…); `letters` itself is left out.
- `near(text: string, distance = 1, limit = Infinity): string[]` — The words within `distance` edits of `text` (an insertion, deletion, change or swap of two neighbours each), nearest first, then shortest, then alphabetical; `text` itself first when it is a word. What a "did you mean" needs. Default distance 1.
- `closest(text: string, distance = 2): string | null` — The nearest word to `text` within `distance` edits (default 2), or null. `text` itself when it is a word.
- `pick(rng: Rng, query: WordQuery = {}): Word` — One matching word, chosen by `rng`. Throws a RangeError when nothing matches, naming the list and the query.
- `sample(rng: Rng, count: number, query: WordQuery = {}): Word[]` — Up to `count` different matching words, chosen by `rng`, in the order drawn. Fewer only when fewer match.
- `filter(query: WordQuery, name = \`${this.name} (filtered)\`): WordList` — A new list of the words that match.
- `with(words: Iterable<string>, name = this.name): WordList` — A new list with `words` added, normalised as `normaliseWord` does. Throws a RangeError for an entry that is not a word.
- `without(words: Iterable<string>, name = this.name): WordList` — A new list without `words` (any case).
- `letterFrequency(): Readonly<Record<string, number>>` — How often each letter appears across the list, a to z, as fractions that add up to 1. A letter grid that wants playable letters draws by these. Worked out once, the first time it is asked for.

## Types

### `EnglishOptions`

```ts
interface EnglishOptions
```

What `englishLexicon` and the pack's options take.

- `min?: number` — Shortest word, in letters. Default 2, the shortest in the lexicon.
- `max?: number` — Longest word, in letters. Default 45, the longest in the lexicon.
- `include?: ReadonlyArray<string>` — Words to add (a game's own slang, names it allows). Normalised as `normaliseWord` does.
- `exclude?: ReadonlyArray<string>` — Words to leave out (any case).
- `rating?: RatingFilter` — Which rated words to keep (see `wordRating`): `'standard'` (the default) leaves out slurs, strong swearing and explicit terms; `'family'` leaves out milder swearing and words about sex, the body and crime as well; `'unfiltered'` keeps every word of the lexicon.

### `EnglishWordsOptions`

```ts
type EnglishWordsOptions = EnglishOptions
```

Manifest options: the game's own word list, `game.words.lexicon`, is the lexicon narrowed by these.

### `RatingFilter`

```ts
type RatingFilter = 'standard' | 'family' | 'unfiltered'
```

Which words a list keeps: `standard` drops the offensive, `family` the mature too, `unfiltered` none.

### `WordListOptions`

```ts
interface WordListOptions
```

How `createWordList` reads its words.

- `name?: string` — A name for messages and for telling lists apart. Default `'custom'`.
- `invalid?: 'throw' | 'skip'` — What to do with an entry that is not a word of the letters a-z once normalised: `'throw'` (the default) or `'skip'`.
- `rating?: RatingFilter` — Leave out rated words (see `wordRating`): `'standard'`, `'family'`, or `'unfiltered'` (the default: your list as given).

### `WordQuery`

```ts
interface WordQuery
```

What to find in a list. Every field narrows it; leave a field out to ignore it. Letters may be given in either case.
Results come in length order, then alphabetical.

- `length?: number` — Exactly this many letters.
- `min?: number` — At least this many letters.
- `max?: number` — At most this many letters.
- `startsWith?: string` — Starts with these letters.
- `endsWith?: string` — Ends with these letters.
- `contains?: string` — Has these letters together somewhere.
- `pattern?: string` — Fits this pattern, which also fixes the length: `?`, `.` or `_` is any letter, `[abc]` any of those, `[^abc]` any but those (`c?a[^s]e`).
- `from?: string` — Can be spelt from these letters, each used no more often than it appears here: a letter rack or wheel (`from: 'listen'`).
- `only?: string` — Uses no letters but these, as often as it likes (`only: 'abcde'`).
- `uses?: string` — Contains every one of these letters at least once.
- `without?: string` — Contains none of these letters.
- `exclude?: Iterable<string>` — Leave these words out (any case).
- `where?: (word: string) => boolean` — Any other test, given the lower-case word.

### `WordRating`

```ts
type WordRating = 'offensive' | 'mature'
```

How suitable a word is for a game's audience.

### `WordsApi`

```ts
interface WordsApi
```

`game.words`: the game's word list, lists of your own, and seeded picks from the game's random source.

- `readonly lexicon: WordList` — The game's word list: the English lexicon within the manifest's `min`..`max` letters, `include` added, `exclude` taken out.
- `english(options?: EnglishOptions): WordList` — The English lexicon narrowed differently from `lexicon` (`english({ min: 3, max: 8 })`). The full lexicon with no options.
- `list(source: Iterable<string> | string, options?: WordListOptions): WordList` — A list of your own, from an array or from text (one word a line, or separated by commas). See `createWordList`.
- `loaded(key: string, options?: WordListOptions): WordList` — A list from a file the loader fetched under `key`: a `text` item read as `list` reads text, or a `json` item holding an array of strings. Headless, where the loader fetches nothing, the list is empty. Throws for an unknown key or a JSON value that is not an array of strings.
- `has(text: string): boolean` — Is `text` in `lexicon`? Case does not matter.
- `word(text: string): Word` — `text` as a `Word`, whether or not any list holds it. Throws a RangeError for anything but letters.
- `find(query?: WordQuery, list?: WordList): string[]` — Every word in `list` (default `lexicon`) that matches, shortest first, alphabetical within a length.
- `pick(query?: WordQuery, list?: WordList): Word` — One matching word from `list` (default `lexicon`), chosen by the game's random source. Throws a RangeError when nothing matches.
- `sample(count: number, query?: WordQuery, list?: WordList): Word[]` — Up to `count` different matching words from `list` (default `lexicon`), chosen by the game's random source.
- `distance(a: string, b: string): number` — The fewest single-letter edits between two words; see `editDistance`.
- `readonly rng: Rng` — The random source `pick` and `sample` draw from: the game's, forked as `'words'`.

---

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