| check out(verb, expression, phrasal verb, study, check) |
| ask(verb, sound, examine, request, doubt) |
| catechize(verb, sound, examine, request, doubt) |
| check(verb, study, observe, examine, review) |
| check over(verb, expression, phrasal verb, study, check) |
| check up(verb, expression, phrasal verb, study, check) |
| delve into(verb, expression, phrasal verb, see, examine) |
| examine(verb, doubt, question, investigate, inspect) |
| eye(verb, examine, test, investigate, survey) |
| feel around(verb, expression, phrasal verb, sound, examine) |
| feel out(verb, expression, examine, investigate, inspect) |
| go into(verb, expression, investigate, penetrate) |
| inquire(verb, doubt, question, look, investigate) |
| interrogate(verb, examine, doubt, investigate, inspect) |
| investigate(verb, examine, request, question, test) |
| look-see(verb, investigate, penetrate, explore) |
| look into(verb, expression, investigate, penetrate) |
| penetrate(verb, sound, examine, test, investigate) |
| pierce(verb, sound, examine, test, investigate) |
| poke(verb, investigate, penetrate, explore) |