| accomplice(noun, associate, companion, friend, follower) |
| affiliate(noun, associate, companion, friend, partner) |
| confederate(noun, guide, associate, companion, friend) |
| acquaintance(noun, associate, companion, friend, contemporary) |
| amigo(noun, friend) |
| assistant(noun, associate, companion, friend, contemporary) |
| brother(noun, friend) |
| compeer(noun, associate, companion, friend, contemporary) |
| alter ego(noun, expression, associate, companion, friend) |
| bedfellow(noun, friend) |
| bedmate(noun, companion, friend, contemporary, acquaintance) |
| collaborator(noun, associate, companion, friend, partner) |
| consort(noun, associate, companion, friend, contemporary) |
| classmate(noun, associate, companion, friend, contemporary) |
| co-worker(noun, guide, associate, friend, mate) |
| coadjutor(noun, associate, partner, colleague, coworker) |
| company(noun, unit, companion, friend, follower) |
| compatriot(noun, associate, companion, friend, partner) |
| confrere(associate, unit, companion, friend, follower) |
| equal(associate, member, researcher) |