| hook up |
| join(contribute, partake) |
| join forces(verb, expression, help, play, agree) |
| lend a hand(verb, expression, idiom, help, attack) |
| partake(verb, play, join, aid, perform) |
| pitch in(verb, expression, phrasal verb, help, attack) |
| play(verb, join, aid, perform, enter) |
| pool resources(verb, expression, help, play, agree) |
| second(verb, help, play, agree, aid) |
| share in(verb, expression, phrasal verb, help, play) |
| show willingness(verb, expression, help, play, agree) |
| side with(verb, expression, phrasal verb, help, play) |
| sit in(verb, expression, phrasal verb, play, join) |
| sit in on(verb, expression, idiom, phrasal verb, play) |
| stick together(verb, expression, phrasal verb, help, play) |
| succor(verb, help, play, agree, aid) |
| take part(verb, expression, help, play, join) |
| team up(verb, expression, help, aid, assist) |
| tie in |
| uphold(verb, help, play, agree, aid) |