| schoolmate(noun, companion, friend, contemporary, acquaintance) |
| twin(noun, match, associate, companion, friend) |
| acquaintance(noun, companion, friend, contemporary, peer) |
| analog(noun, companion, friend, contemporary, acquaintance) |
| assistant(noun, associate, companion, friend, contemporary) |
| bride(noun, companion, friend, contemporary, acquaintance) |
| complement(noun, match, companion, friend, contemporary) |
| concomitant(noun, associate, companion, friend, contemporary) |
| confidant(noun, companion, friend, ally, buddy) |
| coordinate(noun, associate, companion, friend, contemporary) |
| coworker(noun, associate, companion, friend, contemporary) |
| double(noun, match, associate, companion, friend) |
| duplicate(noun, match, associate, companion, friend) |
| familiar(noun, companion, friend, contemporary, acquaintance) |
| groom(noun, companion, friend, contemporary, acquaintance) |
| helper(noun, associate, companion, friend, contemporary) |
| intimate(noun, companion, friend, contemporary, acquaintance) |
| reciprocal(noun, associate, companion, friend, contemporary) |
| spouse(noun, companion, friend, contemporary, acquaintance) |
| bosom buddy(expression, companion, friend, ally, buddy) |