| 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) |
| examination(noun, study, order, check, view) |
| exploration(noun, study, order, check, view) |
| investigation(noun, study, check, measure, review) |
| analysis(noun, study, order, check, view) |
| inquiry(noun, study, order, check, view) |
| scrutinize(verb, study, check, consider, observe) |
| inspect(verb, study, check, consider, observe) |
| enquiry(noun, inquest) |
| look into(verb, expression, phrasal verb, action, study) |
| survey(noun, verb, study, check, consider) |
| inquire(verb, action, study, check, consider) |
| scrutiny(noun, study, order, check, view) |
| inspection(noun, study, order, check, view) |
| conduct research |