| rootle(verb, grope, grub) |
| excavate(action, investigate, research, probe) |
| ferret(verb, check, sound, examine, look) |
| inquire(verb, action, check, examine, look) |
| nose(verb, grub) |
| burrow(verb, action, search, investigate) |
| dredge(action, search, investigate, probe) |
| ferret out(verb, expression, phrasal verb, action, examine) |
| go into(expression, action, probe, burrow) |
| gouge out(expression, action, probe, burrow) |
| jump into(expression, action, probe, burrow) |
| look into(expression, action, probe, burrow) |
| prospect(verb, action, check, examine, look) |
| really get into(expression, idiom, action, burrow) |
| research(noun, action, search, race) |
| scoop out(expression, action, probe, burrow) |
| shovel(action, investigate, research, probe) |
| spade(action, investigate, research, probe) |
| trowel(action, investigate, research, probe) |
| unearth(action, search, investigate, probe) |