| probe(verb, study, consider, examine, review) |
| check out(verb, expression, study, consider, question) |
| sound(verb, test, investigate, dig, explore) |
| sound out(verb, expression, phrasal verb, examine, approach) |
| touch(noun, verb, move, upset, touch) |
| check over(verb, expression, phrasal verb, study, consider) |
| check up(verb, expression, phrasal verb, study, consider) |
| delve(verb, study, consider, examine, review) |
| dig(verb, study, consider, examine, review) |
| feeling(noun, touch, be) |
| give the once over(verb, expression, idiom, phrasal verb, study) |
| go into(verb, expression, phrasal verb, study, consider) |
| inquire(verb, study, consider, examine, review) |
| inquisite(verb, study, consider, examine, review) |
| interrogate(verb, study, consider, examine, review) |
| look-see(verb, study, consider, examine, review) |
| look into(verb, expression, phrasal verb, study, consider) |
| make inquiry(verb, expression, study, consider, examine) |
| muckrake(verb, study, consider, examine, review) |
| nose around(verb, expression, phrasal verb, study, consider) |