| canvass(verb, challenge, demand, request, question) |
| catechize(verb, challenge, demand, request, question) |
| challenge(verb, demand, request, question, query) |
| chase after(verb, expression, check, examine, look) |
| check(verb, examine, look, seek, investigate) |
| cheque |
| comb(verb, check, follow, examine, pursue) |
| cross-examine(verb, challenge, demand, request, question) |
| demand(verb, challenge, request, question, query) |
| direct(verb, challenge, demand, request, question) |
| enjoin(verb, challenge, demand, request, question) |
| examine(verb, check, challenge, demand, request) |
| ferret(verb, check, examine, look, seek) |
| forage(verb, check, examine, look, seek) |
| frisk(verb, check, examine, look, seek) |
| give the third degree(verb, expression, idiom, challenge, demand) |
| go in quest of(verb, expression, idiom, check, examine) |
| go over(verb, expression, challenge, demand, request) |
| go over with a fine-tooth comb(verb, expression, idiom, check, examine) |
| grill(verb, challenge, demand, request, question) |