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Datamuse Semantic Word Similarity & Concept Finder

Finds words and concepts with similar semantic meaning (`ml`) to any phrase or concept for NLP query expansion.

Call it (no API key)

GET https://api.agentdatahub.de/api/v1/call/datamuse-semantic-words?concept=artificial%20intelligence&compact=1

Full metadata: without compact=1 · Markdown: format=llm · Only some fields: add &fields=a,b.c · MCP: tool call_api with {"apiId":"datamuse-semantic-words"}

Parameters

Example response (live, compact)

{
  "apiId": "datamuse-semantic-words",
  "data_freshness": "cached",
  "data": {
    "concept": "artificial intelligence",
    "semantically_related_terms": [
      {
        "word": "ai",
        "score": 29078875,
        "tags": [
          "syn",
          "n",
          "adj",
          "v",
          "results_type:primary_rel_multi"
        ]
      },
      {
        "word": "intelligent agent",
        "score": 10050133,
        "tags": [
          "n"
        ]
      },
      {
        "word": "artificialism",
        "score": 10050132,
        "tags": [
          "n"
        ]
      },
      {
        "word": "hallucination",
        "score": 10050131,
        "tags": [
          "n"
        ]
      },
      {
        "word": "insight",
        "score": 10050130,
        "tags": [
          "n"
        ]
      },
      {
        "word": "intelligence asset",
        "score": 10050129,
        "tags": [
          "n"
        ]
      },
      {
        "word": "sapient",
        "score": 10050128,
        "tags": [
          "n"
        ]
      },
      {
        "word": "sentient",
        "score": 10050127,
        "tags": [
          "adj"
        ]
      },
      {
        "word": "sophont",
        "score": 10050126,
        "tags": [
          "n"
        ]
      },
      {
        "word": "intelligence",
        "score": 10050125,
        "tags": [
          "n"
        ]
      },
      {
        "word": "cybermind",
        "score": 10050124,
        "tags": [
          "n",
          "prop"
        ]
      },
      {
        "word": "artifact",
        "score": 10050123,
        "tags": [
          "n"
        ]
      },
      {
        "word": "person",
        "score": 10050122,
        "tags": [
          "n"
        ]
      },
      {
        "word": "intelligent designer",
        "score": 10050121,
        "tags": [
          "n"
        ]
      },
      {
        "word": "animatism",
        "score": 10050120,
        "tags": [
          "n"
        ]
      }
    ]
  },
  "source": "Public Institutional Open API",
  "license": "Public API (Datamuse)"
}

Source & license