| trace(verb, determine, follow, examine, discover) |
| trailing(search, race, chase, hunt) |
| vocation(noun, work, task, assignment, pursuit) |
| wail(keen, cry, roar, long, howl) |
| work over(verb, expression, examine, challenge, seek) |
| worm out(verb, expression, determine, follow, discover) |
| quarry(noun, mark, spoil, game, search) |
| beat about(verb, expression, check, examine, look) |
| business(work, task, assignment, pursuit) |
| cross-examine(verb, examine, challenge, seek, search) |
| delve for(verb, expression, follow, pursue, investigate) |
| detection(noun, review, chase, hunt, investigation) |
| dig for(verb, expression, follow, pursue, investigate) |
| dragnet(verb, follow, pursue, seek, investigate) |
| endeavor(verb, action, act, pursue, feat) |
| enquire(verb, examine, challenge, seek, search) |
| exploit(noun, verb, action, act, truth) |
| fish for(verb, expression, follow, examine, pursue) |
| action(noun, act, truth, achievement, endeavor) |
| amusement(noun, art, sport, fun, relaxation) |