7
companion
7
partner(noun, person, connect, associate, friend)
6
fellow(noun, adjective, person, connect, associate)
5
ally(noun, person, connect, partner, helper)
5
associate(noun, person, connect)
5
bedfellow
5
bedmate
5
colleague(noun, person, connect, associate)
4
affiliate(noun, person, connect, associate)
4
cohort(noun, person, connect, associate)
4
collaborator(noun, associate)
4
comrade
4
participant
3
confederate(noun, adjective, person, connect, associate)
3
mate
2
accomplice
2
buddy
2
consort
2
helpmate
2
messmate
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APASmart Define. (2015). copartner thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/copartner/thesaurus/synonyms
ChicagoSmart Define. 2015. "copartner thesaurus" https://smartdefine.org/copartner/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, copartner thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/copartner/thesaurus/synonyms>.
MLASmart Define. "copartner thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/copartner/thesaurus/synonyms>