| sweat(noun, verb, performance, study, give) |
| rub(verb, decline, touch, diminish, decrease) |
| scrape(verb, cover, decline, touch, crush) |
| abrade(verb, cover, beat, decline, crush) |
| dig(verb, study, give, work, consider) |
| crumble(verb, break, cover, beat, decline) |
| scratch(verb, study, give, work, determine) |
| chafe(verb, decline, smooth, diminish, decrease) |
| study(verb, get, give, consider, determine) |
| wear(verb, smooth, clean, spread) |
| graze(verb, decline, touch, diminish, decrease) |
| plug(verb, study, give, work, consider) |
| apply(verb, work, determine, direct, smooth) |
| fatigue(verb, decline, diminish, decrease) |
| fray(noun, verb, decline, diminish, decrease) |
| peg away(verb, expression, study, give, work) |
| exercise(noun, verb, business, work, direct) |
| hammer away(expression, study, give, determine, direct) |
| address(verb, study, give, determine, direct) |
| bear down(verb, expression, study, give, work) |