RhymeZone API: Get related words
Finds words with similar meanings, opposite meanings, adjectives describing a word, or strongly associated words, ordered by relevance.
Unofficial. Not affiliated with or endorsed by RhymeZone.
Inputs
Values from the run on Oct 23, 2026, shown under Output.
- Word, required
word A word or short phrase to find related words for, such as ocean or fast car.
ocean
- Relation optional
relation Which relation to look for, such as adjectives_for.
similar_meaning (default)
One of
similar_meaning,opposite_meaning,adjectives_for,associated_with.- Max Results optional
max_results Maximum number of words to return, such as 50.
50 (default)
Whole number from 1 to 300.
Input as JSON
{ "word": "ocean"}Output
{ "related_words": [ { "word": "sea", "page_url": "https://www.rhymezone.com/r/d=sea" , "part_of_speech": "noun", "relevance_score": 29890520 }, { "word": "atlantic", "page_url": "https://www.rhymezone.com/r/d=atlantic" , "part_of_speech": "noun", "relevance_score": 19998000 }, { "word": "indian", "page_url": "https://www.rhymezone.com/r/d=indian" , "part_of_speech": "noun", "relevance_score": 19991593 } ]}Code
curl https://api.fous.com/v1/runs \ -H "Authorization: Bearer $FOUS_API_KEY" \ -H "Content-Type: application/json" \ -d '{"method":"rhymezone.com/get_related_words","input":{"word":"ocean"}}' # Save as fous.py, then run: python3 fous.pyimport json, os, timefrom urllib.error import HTTPErrorfrom urllib.request import Request, urlopenAPI = "https://api.fous.com/v1/runs" KEY = os.environ["FOUS_API_KEY"]HEADERS = { "Authorization": f"Bearer {KEY}", "Content-Type": "application/json" ,}def call(url, body=None): data = json.dumps(body).encode() if body else None request = Request(url, data, HEADERS) try: with urlopen(request, timeout=120) as r: return r.status, json.load(r) except HTTPError as error: message = json.load(error)["error"]["message"] raise RuntimeError(message) from errorstatus, run = call(API, { "method": "rhymezone.com/get_related_words" , "input": { "word": "ocean" }})# 202: still going after 30 s. Ask again until it ends.while status == 202: time.sleep(2) status, run = call(f"{API}/{run['id']}")print(json.dumps(run["data"], indent=2))// Save as fous.mjs, then run: node fous.mjsconst api = "https://api.fous.com/v1/runs" ;const headers = { Authorization: `Bearer ${process.env.FOUS_API_KEY}`, "Content-Type": "application/json" ,};let response = await fetch(api, { method: "POST", headers, body: JSON.stringify({ "method": "rhymezone.com/get_related_words" , "input": { "word": "ocean" } }), signal: AbortSignal.timeout(120_000),});let run = await response.json();// 202: still going after 30 s. Ask again until it ends.while (response.status === 202) { await new Promise((done) => setTimeout(done, 2_000)); response = await fetch(`${api}/${run.id}`, { headers }); run = await response.json();}if (!response.ok) throw new Error(run.error.message);console.log(run.data);# Connect your agent to Fous once, over MCP (Streamable HTTP):# https://api.fous.com/mcp# Set FOUS_API_KEY first: create a key at https://app.fous.com/keys.# Claude Codeclaude mcp add \ --scope user \ --transport http fous https://api.fous.com/mcp \ --header "Authorization: Bearer ${FOUS_API_KEY:?Set FOUS_API_KEY to your Fous API key}"# Codexcodex mcp add fous \ --url https://api.fous.com/mcp \ --bearer-token-env-var FOUS_API_KEY# Cursor, VS Code, Windsurf, Cline and morenpx -y add-mcp https://api.fous.com/mcp -g -n fous \ --header "Authorization: Bearer ${FOUS_API_KEY:?Set FOUS_API_KEY to your Fous API key}"# Then ask your agent:# "Use Fous to run rhymezone.com/get_related_words# with {"word":"ocean"}"Over HTTP, the answer’s data holds the output. A run still going after 30 seconds answers 202 with its id: ask GET /v1/runs/{id} until it ends.
Schema
Input schema
{ "type": "object", "required": [ "word" ], "properties": { "word": { "type": "string", "minLength": 1, "description": "A word or short phrase to find related words for, such as ocean or fast car." }, "relation": { "enum": [ "similar_meaning", "opposite_meaning", "adjectives_for", "associated_with" ], "type": "string", "default": "similar_meaning", "description": "Which relation to look for, such as adjectives_for." }, "max_results": { "type": "integer", "default": 50, "maximum": 300, "minimum": 1, "description": "Maximum number of words to return, such as 50." } }, "additionalProperties": false}Output schema
{ "type": "object", "required": [ "related_words" ], "properties": { "related_words": { "type": "array", "items": { "type": "object", "required": [ "word", "part_of_speech", "relevance_score", "page_url" ], "properties": { "word": { "type": "string", "description": "Related word or phrase." }, "page_url": { "type": "string", "description": "RhymeZone page for this word or phrase." }, "part_of_speech": { "type": [ "string", "null" ], "description": "Known parts of speech, or null when unavailable." }, "relevance_score": { "type": [ "number", "null" ], "description": "Source relevance score when provided; its scale varies by relation." } }, "additionalProperties": false }, "description": "Related words in relevance order." } }, "additionalProperties": false}- Price
- 1 credit per completed run (1¢ with pay as you go); failed runs are free.
- Method
rhymezone.com/get_related_words- Returns
- word, part of speech, relevance score, RhymeZone page URL
Use it from your agent
Give your agent this line. It reads SKILL.md, gets a Fous API key and connects the Fous MCP server. Its run then takes the method rhymezone.com/get_related_words with the inputs above.
Ask your agent
- Find words that mean roughly the same as 'happy', limit to 20 results
- What are the opposite words of 'ancient'? Show me up to 15
- List adjectives people commonly use to describe 'thunderstorm'
- Which words are strongly associated with 'coffee' ranked by relevance? Give me 40 on rhymezone.com
- I need synonyms for 'quick' ranked by how close they are in meaning, max 30 results
See more
All RhymeZone methodsFinds perfect rhymes, near rhymes or similar-sounding words on RhymeZone, with syllable counts. Some matches may have no relevance score.
rhymezone.com/get_rhymesGets a word's Thesaurus.com meanings in site order, with part of speech, short meaning, synonyms and antonyms ranked strongest, strong or weak.
dictionary.com/get_synonymsLooks up a word on its public Merriam-Webster thesaurus page and returns each meaning with its example, synonyms, antonyms and related words.
merriam-webster.com/get_synonymsLooks up an English word on Dictionary.com and returns its pronunciation, audio link, numbered definitions per dialect with examples, word origin and first recorded use.
dictionary.com/define_wordLooks up a word or phrase in Merriam-Webster's dictionary and returns its pronunciation, definitions, examples and word history.
merriam-webster.com/define_wordGets Urban Dictionary definitions for a slang word or phrase in the site's order, with examples, votes, author and date. Returns an empty list when the term has no definitions.
urbandictionary.com/define_slangTranslates a word or phrase between languages using WordReference, including usage notes, example sentences and compound forms when shown. Only language pairs listed by WordReference are available.
wordreference.com/translate_wordReturns top and rising related searches and topics for a term on Google Trends, for a country or US state and time range.
trends.google.com/get_related_searches