| canvass(verb, study, check, consider, criticize) |
| case(verb, study, check, consider, observe) |
| cast about(verb, expression, phrasal verb) |
| check into |
| check over(verb, expression, study, check, consider) |
| contention(noun, notion, theory, proposition, dissertation) |
| critique(noun, dissertation) |
| determination(noun, order, view, conclusion, resolution) |
| digging |
| do research(verb, expression, idiom, study, view) |
| encyclopedia article(noun, expression, source, document, recording) |
| groundwork(noun, study, examination, training, investigation) |
| homework(noun, study, exercise, education, preparation) |
| hypothesis(noun, notion, theory, proposition, dissertation) |
| interrogatory(noun, review, judgment, investigation, inquiry) |
| learning(noun, study, knowledge, class, exercise) |
| literature(noun, knowledge, education, nonfictional) |
| look at(verb, expression, phrasal verb, study, observe) |
| look for(verb, expression, phrasal verb) |
| look up(verb, expression, phrasal verb, study, examine) |