| study(noun, verb, check, consider, knowledge) |
| investigate(verb, action, study, check, consider) |
| explore(verb, action, study, check, consider) |
| search(noun, verb, action, study, order) |
| examine(verb, action, study, check, consider) |
| probe(noun, verb, action, study, check) |
| scrutinize(verb, study, check, consider, observe) |
| inspect(verb, study, check, consider, observe) |
| look into(verb, expression, phrasal verb, action, study) |
| survey(noun, verb, study, check, consider) |
| inquire(verb, action, study, check, consider) |
| check(noun, verb, study, consider, criticize) |
| test(noun, verb, study, check, consider) |
| inquire into(verb, expression, phrasal verb, examine) |
| experiment(noun, verb, study, check, examine) |
| assay(verb, study, check, consider, criticize) |
| review(noun, verb, study, order, check) |
| delve into(verb, expression, phrasal verb, study, check) |
| check out(verb, expression, phrasal verb, study, check) |
| hunt(noun, verb, examine, discover) |