| helper(noun, guide, associate, supporter, friend) | |
| joiner(noun, companion, friend, partner, ally) | |
| kissing cousin(noun, expression, friend, partner, ally) | |
| match(noun, guide, associate, friend, nurse) | |
| nurse(noun, guide, associate, friend, mate) | |
| offshoot(noun, companion, friend, partner, ally) | |
| one of the folks(noun, expression, idiom, friend, partner) | |
| oppo | |
| pard(noun, guide, associate, friend, mate) | |
| peer(noun, associate, companion, friend, partner) | |
| protector(noun, guide, associate, friend, nurse) | |
| roomie(noun, guide, associate, friend, nurse) | |
| roommate(noun, friend) | |
| safeguard(noun, guide, associate, friend, nurse) | |
| schoolmate(noun, friend) | |
| sister(noun, friend) | |
| aftereffect | |
| aftertaste | |
| alter ego | |
| analog(noun, intimate, friend, acquaintance, duplication) |
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| APA | Smart Define. (2015). co-worker thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/co-worker/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "co-worker thesaurus" https://smartdefine.org/co-worker/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, co-worker thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/co-worker/thesaurus/synonyms>. |
| MLA | Smart Define. "co-worker thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/co-worker/thesaurus/synonyms> |