| concur(verb, fail) |
| confess(verb, accept, allow, acknowledge) |
| conform(verb, make, fit, adjust, scale) |
| conform to(verb, expression, phrasal verb, observe, quit) |
| consent(verb, fail) |
| consent to(verb, expression, phrasal verb, observe, quit) |
| cool it(verb, expression, phrasal verb, dull, diminish) |
| coordinate(verb, make, fit, adjust, scale) |
| correspond(verb, make, fit, adjust) |
| cry uncle(verb, expression, observe, quit, submit) |
| decline(verb, dull, diminish, slow, lessen) |
| decrease(verb, dull, diminish, slow, lessen) |
| defer(verb, go, observe, quit, submit) |
| detached(adjective, impassive, unresponsive, dispassionate, undemonstrative) |
| diminish(verb, dull, slow, lessen) |
| discharge(verb, observe, quit, submit, satisfy) |
| dispassionate(adjective, detached, impassive, unresponsive, reticent) |
| ditto(verb, observe, quit, submit, satisfy) |
| dull(verb, diminish, slow, lessen) |
| dwindle(verb, dull, diminish, slow, lessen) |