| inspection(noun, study, act, order, understanding) |
| scrutiny(noun, study, act, order, understanding) |
| analysis(noun, study, order, understanding, check) |
| investigation(noun, study, check, measure, review) |
| study(noun, activity, act, work, understanding) |
| quiz(noun, study, set, check, measure) |
| inquiry(noun, study, order, check, view) |
| survey(noun, study, check, review, display) |
| exploration(noun, study, order, check, view) |
| review(noun, study, order, understanding, check) |
| test(noun, verb, activity, study, set) |
| reconnaissance(noun, study, order, check, view) |
| research(noun, study, order, check, view) |
| check(noun, study, act, measure, review) |
| enquiry(noun, inquest) |
| probe(noun, study, check, measure, review) |
| search(noun, study, order, check, view) |
| interrogation(noun, check, review, request, question) |
| observation(noun, study, order, check, view) |
| trial(noun, study, check, measure, approval) |