| intimate(noun, associate, companion, friend, contemporary) |
| partner(noun, associate, companion, friend, ally) |
| acquaintance(noun, associate, companion, friend, contemporary) |
| brother(noun, friend, sister) |
| doppelganger(noun, informal, personality, companion, counterpart) |
| equivalent(noun, match) |
| likeness(noun, match, equivalent) |
| shadow(noun, double) |
| stand-in(noun, double, clone, look-alike) |
| auxiliary |
| bosom friend(noun, expression, friend, buddy, bud) |
| cohort(noun, associate, companion, friend, contemporary) |
| compeer(noun, match, companion, friend, contemporary) |
| complement(noun, match, companion, friend, contemporary) |
| coordinate(noun, companion, friend, contemporary, acquaintance) |
| ego |
| friend(noun, expression, person, affection, relationship) |
| image(noun, clone, look-alike) |
| kindred spirit(noun, expression, friend, buddy, bud) |
| like(noun, match, equivalent) |