# Word Tools – Homophones & Similar-Sounding Words

> Word Tools – Homophones & Similar-Sounding Words is a paid API for AI agents from word-tools.x402tookit.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-21).

Returns homophones and phonetically similar words for a given input word, including ARPAbet pronunciation strings and syllable counts.

## Facts

- Endpoint: GET https://word-tools.x402tookit.com/sounds-like?utm_source=zero.xyz
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/word-tools-homophones-similar-sounding-words-5431361a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_AR_OkAt1fKQViBXzPjPMM

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability word-tools-homophones-similar-sounding-words-5431361a
```

Example prompt: What are all the homophones and similar-sounding words for 'knight'? Show me up to 30 results with their ARPAbet pronunciations and syllable counts.

## When to prefer this

Choose this endpoint when you need phonetic similarity data — specifically homophones, near-homophones, or sounds-like words — along with ARPAbet pronunciations and syllable counts. It is ideal for wordplay, pun detection, phonics education, brand name collision checks, speech-related NLP tasks, and accessibility tools. Prefer it over rhyme endpoints when phonetic identity or near-identity (not just rhyming endings) is what matters.

## Known failure modes

- Word not found in phonetic database — returns empty homophones and similarSounding arrays
- Invalid or missing 'word' query parameter — returns a 400-level error
- Limit parameter out of range (below 1 or above 50) — may be clamped or return an error
- Very rare or invented words may return no results
- Non-English words may produce no results or unreliable pronunciations

## How this service works

Homophones and similar-sounding words for a word, with ARPAbet pronunciation and syllable counts.

## Output

A JSON object containing the queried word, its ARPAbet pronunciation, a list of homophones (each with word, pronunciation, and syllable count), and a ranked list of similar-sounding words (each with word, phonetic similarity score, pronunciation, and syllable count). Also includes source attribution and optional metadata fields.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "word"
     ],
     "properties": {
      "word": {
       "type": "string",
       "description": "The word"
      },
      "limit": {
       "type": "integer",
       "description": "Results per list, 1 to 50 (default 20)"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object",
     "properties": {
      "asOf": {
       "type": [
        "null",
        "string"
       ]
      },
      "word": {
       "type": [
        "null",
        "string"
       ]
      },
      "source": {
       "type": [
        "null",
        "string"
       ]
      },
      "reasons": {
       "type": [
        "array",
        "null"
       ],
       "items": {
        "type": "string"
       }
      },
      "summary": {
       "type": [
        "null",
        "string"
       ]
      },
      "verdict": {
       "type": [
        "null",
        "string"
       ]
      },
      "degraded": {
       "type": [
        "boolean",
        "null"
       ]
      },
      "sourceUrl": {
       "type": [
        "null",
        "string"
       ]
      },
      "disclaimer": {
       "type": [
        "null",
        "string"
       ]
      },
      "homophones": {
       "type": [
        "array",
        "null"
       ],
       "items": {
        "type": "object",
        "properties": {
         "word": {
          "type": [
           "null",
           "string"
          ]
         },
         "syllables": {
          "type": [
           "null",
           "number"
          ]
         },
         "pronunciation": {
          "type": [
           "null",
           "string"
          ]
         }
        }
       }
      },
      "notChecked": {
       "type": [
        "array",
        "null"
       ],
       "items": {
        "type": "string"
       }
      },
      "attribution": {
       "type": [
        "null",
        "string"
       ]
      },
      "pronu
… (truncated)
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/word-tools-homophones-similar-sounding-words-5431361a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from word-tools.x402tookit.com](https://www.zero.xyz/host/word-tools.x402tookit.com/llms.txt)