| search(verb, investigation, investigate, effort) |
| nerd(activity, process, procedure, function, noun) |
| academic text(noun, expression, action, study, analysis) |
| experimental group(noun, expression, study, process, test) |
| ascertain(verb, search, effort) |
| audit(verb, search, effort) |
| browse(verb, search, investigate, effort, investigation) |
| check(verb, search, effort) |
| check into(verb, phrasal verb, search, investigation) |
| check out(verb, phrasal verb, search, effort) |
| check up on(verb, phrasal verb, search, investigation) |
| coinvestigate(verb, search, investigation) |
| comb(verb, search, effort) |
| cruise(verb, search, investigation) |
| delve(verb, search, investigation) |
| delve into(verb, phrasal verb, search, investigation) |
| descry(verb, search, effort) |
| detect(verb, search, effort) |
| determine(verb, search, effort) |
| dig(verb, search, effort, investigation) |