| waning(noun, drop, decline, fall, deterioration) |
| withdrawal(noun, drive, right, measure, retreat) |
| downtrend(noun, drop, fall, deterioration, falloff) |
| downturn(noun, drop, fall, deterioration, falloff) |
| drift(noun, drive, measure, undertaking, program) |
| drop(noun, fall, lapse, deterioration, repetition) |
| failing(noun, drop, fall, deterioration, falloff) |
| falling-off(noun, drop, fall, deterioration, falloff) |
| fixing |
| flight(noun, activity, move, action, act) |
| flip-flop(turn, delay, back, blow, disappointment) |
| flow(noun, activity, move, action, act) |
| flux(noun, activity, move, action, act) |
| obsession |
| passage(noun, activity, move, action, act) |
| progress(noun, activity, move, action, act) |
| recess |
| relapsing |
| returning |
| set |