| ascertain(verb, catch, observe, notice) |
| catch(verb, observe, notice, spot) |
| dig up(verb, expression, phrasal verb, catch) |
| disclose(verb, catch, observe, notice) |
| distinguish(verb, catch, observe, notice) |
| espy(verb, catch, observe, notice) |
| find(verb, catch, observe, notice) |
| hit on(verb, expression, phrasal verb, catch) |
| identify(verb, catch, observe, notice) |
| meet(verb, catch, observe, notice) |
| meet with(verb, expression, phrasal verb, catch) |
| nose out(verb, expression, phrasal verb, catch) |
| note(verb, catch, observe, notice) |
| notice(verb, catch, observe, spot) |
| observe(verb, catch, notice, spot) |
| recognize(verb, catch, observe, notice) |
| reveal(verb, catch, observe, notice) |
| scent(verb, catch, observe, notice) |
| smell out(verb, expression, phrasal verb, catch) |
| smoke out(verb, expression, phrasal verb, catch) |