| grope(verb, check, examine, look, seek) |
| grub(verb, check, examine, look, seek) |
| hit(verb, challenge, demand, request, question) |
| inquire(verb, check, follow, examine, challenge) |
| inspect(verb, check, examine, look, seek) |
| institute(verb, challenge, demand, request, question) |
| interrogate(verb, challenge, demand, request, question) |
| investigate(verb, check, follow, examine, challenge) |
| leave no stone unturned(verb, expression, idiom, check, follow) |
| look high and low(verb, expression, idiom, check, follow) |
| look over(verb, expression, check, examine, look) |
| needle(verb, challenge, demand, request, question) |
| poke into(verb, expression, check, examine, look) |
| pop the question(verb, expression, idiom, challenge, demand) |
| probe(verb, check, examine, request, question) |
| prospect(verb, check, examine, look, seek) |
| pry(verb, check, examine, look, seek) |
| pry into(verb, expression, challenge, demand, request) |
| pump(verb, challenge, demand, request, question) |
| put the screws to(verb, expression, idiom, challenge, demand) |