| founder(verb, upset, decline, fall, fail) |
| fizzle(verb, decline, fall, fail, slip) |
| flop(verb, decline, fall, fail, slip) |
| break down(verb, expression, phrasal verb, decline, fall) |
| fall through(verb, expression, phrasal verb, decline, fall) |
| come to naught(verb, expression, idiom, decline, fall) |
| die |
| end(verb, fall, fail, finish, decrease) |
| fail(verb, upset, end, decline, fall) |
| fall(verb, decline, fail, slip, sink) |
| fall flat(verb, expression, upset, decline, fall) |
| miscarry(verb, upset, decline, fall, fail) |
| misfire(verb, fail, collapse, sink, wane) |
| peter out(verb, expression, phrasal verb, end, fail) |
| abort(verb, upset, decline, fall, fail) |
| back wrong horse(verb, expression, idiom, decline, fall) |
| backslide(verb, decline, fall, fail, slip) |
| be defeated(verb, decline, fall, fail, slip) |
| be demoted(verb, decline, fall, fail, slip) |
| be found lacking(verb, decline, fall, fail, slip) |