| look(verb, examine, seek, search, investigate) |
| attend(verb, keep, protect, guard) |
| be on alert(verb, keep, protect, wait, guard) |
| be vigilant(verb, keep, protect, look, wait) |
| be wary(verb, keep, protect, wait, guard) |
| be watchful(verb, keep, protect, wait, guard) |
| care for(verb, expression, phrasal verb, keep, protect) |
| cast about(verb, expression, phrasal verb, examine, look) |
| delve(verb, examine, look, seek, search) |
| drag(verb, examine, look, seek, investigate) |
| examine(verb, look, seek, search, drag) |
| ferret out(verb, expression, phrasal verb, examine, look) |
| fish for(verb, expression, phrasal verb, examine, look) |
| forage(verb, examine, look, seek, search) |
| go after(verb, expression, phrasal verb, examine, look) |
| grope(verb, examine, look, seek, search) |
| guard(verb, keep, protect, wait) |
| inquire(verb, examine, look, seek, search) |
| interrogate(verb, examine, look, seek, search) |
| investigate(verb, examine, look, seek, search) |