| die away(verb, expression, quiet, decline, fall) |
| dilute(verb, reduce, thin, weaken, thinner) |
| disappear(verb, decline, fall, fail, diminish) |
| drop(verb, go, pass, flow, stream) |
| dwindle(verb, decline, fall, fail, diminish) |
| ebb(verb, decline, fall, fail, diminish) |
| fall(verb, drop, go, decline, pass) |
| languish(verb, quiet, decline, fall, fail) |
| lessen(verb, quiet, decline, reduce, fall) |
| melt down(expression, soften, dissolve, thaw) |
| sink(verb, break, decline, fall, fail) |
| smelt(join, stick, combine, soften, dissolve) |
| soften(verb, run, warm, relax, dissolve) |
| thin(verb, quiet, decline, reduce, fall) |
| vanish(verb, decline, fall, fail, diminish) |
| wane(verb, decline, fall, fail, diminish) |
| waste away(verb, expression, decline, run, fall) |
| wither(verb, break, decline, fall, fail) |
| ablate |
| agglutinate(join, stick, combine, dissolve, adhere) |