| companion | |
| compatible(adjective, close, appropriate, important, proper) | |
| conforming(adjective, close, appropriate, important, proper) | |
| congener | |
| consanguinity(noun, strain, connection, relationship, relative) | |
| consonant(adjective, close, like, appropriate, important) | |
| coordinate | |
| correlated(adjective, appropriate, important, proper, significant) | |
| derivation | |
| folks | |
| interdependent(adjective, involved, touching, similar, collateral) | |
| interrelated(adjective, similar, collateral, attendant, linked) | |
| kinsfolk | |
| kith and kin(expression, idiom) | |
| linked(adjective, involved, bound, similar, joint) | |
| matched(adjective, like, even, similar, identical) | |
| mate | |
| next of kin(expression, idiom) | |
| of the blood(expression, idiom, consanguinity) | |
| relation |
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| APA | Smart Define. (2016). cognate thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/cognate/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "cognate thesaurus" https://smartdefine.org/cognate/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, cognate thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/cognate/thesaurus/synonyms>. |
| MLA | Smart Define. "cognate thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/cognate/thesaurus/synonyms> |