WordsAPI

WordsAPI is a RESTful API for the English language that provides definitions, related words, rhymes, synonyms, antonyms, hierarchical word relationships, pronunciation, syllable information, and frequency of usage for over 325,000 words.

platform:web form:api pricing:freemium pricing:subscription feature:definitions feature:thesaurus feature:hierarchical-data feature:pronunciation feature:syllables feature:frequency target:developers use-case:language-processing use-case:linguistics use-case:education