672 entries under noun topic. ×

5
complement(informal, match, balance, equal)
5
confrere(associate, unit, friend, follower)
5
copartner(business, work, associate, deal)
5
duenna(job, woman, attendant, supervisor)
5
fellow traveller(expression, idiom, work, associate)
5
girl(friend, young, half)
5
reciprocal(adjective, reproduction, like, copy)
5
roommate(associate, friend, contemporary, acquaintance)
5
spouse(friend, contemporary, acquaintance, partner)
4
auxiliary(adjective, guide, associate, reserve)
4
blighter(bad, awful, negative)
4
boyfriend(steady, meeting, acquaintance, darling)
4
chap(support, mate, partner, helper)
4
chaperone(job, woman, attendant, paid)
4
co-worker(associate, friend, mate, partner)
4
compatriot(communicate, associate, friend, partner)
4
confidante(associate, friend, ally, buddy)
4
duplicate(adjective, reproduction, copy, match)
4
helper(help, aid, guide, associate)
4
nurse(guide, friend, assistant, attendant)
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APASmart Define. (2016). companion thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/companion/thesaurus/synonyms
ChicagoSmart Define. 2016. "companion thesaurus" https://smartdefine.org/companion/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, companion thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/companion/thesaurus/synonyms>.
MLASmart Define. "companion thesaurus" 30 March 2016. Web. 1 October 2026. <https://smartdefine.org/companion/thesaurus/synonyms>