| side by side(expression, together, closely, jointly, collectively) |
| synchronically(together, combined, closely, jointly, collectively) |
| to boot(expression, still, further, also, more) |
| together with(verb, expression, phrasal verb, still, addition) |
| unanimously(combined, closely, jointly, collectively, mutually) |
| unitedly(together, closely, jointly, collectively, accordingly) |
| accordingly(together, jointly, collectively, harmoniously) |
| agreeably(together, jointly, collectively, accordingly, harmoniously) |
| alike(together, jointly, collectively, accordingly, harmoniously) |
| altogether |
| and all(expression, also, besides, too, likewise) |
| arm in arm(expression, idiom, together, jointly, collectively) |
| as well(expression, still, further, also, more) |
| at once |
| at one fell swoop(expression, idiom, combined, closely, jointly) |
| back to back(expression, idiom) |
| closely(combined, jointly, collectively, mutually) |
| companionably(together, jointly, collectively, accordingly, harmoniously) |
| concertedly(closely, jointly, collectively, unitedly, mutually) |
| confederately |