| smell out(verb, expression, phrasal verb, determine, see) |
| sniff out(verb, expression, phrasal verb, determine, follow) |
| stalk(verb, follow, catch, discover, find) |
| Hunt |
| ascertain(verb, determine, see, follow, catch) |
| bring to light(verb, expression, idiom, break, meet) |
| detect(verb, break, meet, see, establish) |
| find out |
| identify(verb, meet, see, catch, observe) |
| look(verb, check, examine, seek, investigate) |
| search for(verb, expression, phrasal verb, follow, discover) |
| shadow(verb, follow, catch, discover, find) |
| tail(verb, bother, follow, catch, annoy) |
| trail(verb, drive, determine, follow, catch) |
| uncover(verb, break, meet, see, establish) |
| badger(verb, bother, follow, annoy, harass) |
| bait(verb, bother, follow, annoy, harass) |
| beat the bushes(verb, expression, idiom, bother, follow) |
| bird-dog(verb, drive, bother, follow, catch) |
| bug(verb, bother, follow, annoy, harass) |