| failing(noun, decline, ruin, defeat, neglect) |
| fall(noun, trouble, hurt, ruin, defeat) |
| false step(noun, expression, decline, ruin, defeat) |
| fatality(noun, trouble, hurt, ruin, defeat) |
| fender-bender(smash, crash, mistake, misfortune, hazard) |
| flash in the pan(noun, expression, idiom, decline, ruin) |
| flood(ruin, disaster, catastrophe, upheaval, tragedy) |
| flop(noun, decline, ruin, defeat, collapse) |
| fluke(mistake, misfortune, hazard, calamity, setback) |
| frustration(noun, upset, decline, ruin, defeat) |
| hard luck(expression, ruin, blow, cross, failure) |
| harm(noun, trouble, ruin, defeat, fall) |
| holy mess(expression, collapse, disaster, catastrophe, deluge) |
| howler |
| ill hap |
| ill luck(expression, idiom, ruin, catastrophe, misfortune) |
| implosion(noun, decline, ruin, defeat, collapse) |
| inadequacy(noun, decline, ruin, defeat, collapse) |
| inconvenience(blow, burden, cross, failure, disaster) |
| lead balloon(noun, expression, decline, ruin, defeat) |