| tryout(noun, study, go, work, check) |
| analyse |
| confirm(verb, check, show, determine, examine) |
| diagnose(verb, test, investigate) |
| effort(noun, go, work, struggle, try) |
| enquiry |
| enterprise(noun, responsibility, job, test, trial) |
| measure(noun, verb, action, check, question) |
| operation(noun, action, measure, exercise, test) |
| play around with(verb, expression, idiom, study, test) |
| rehearse(verb, prepare, practice, review, train) |
| research and development(noun, expression, idiom, study, struggle) |
| scrutiny(noun, study, check, review, approval) |
| shake down(verb, expression, phrasal verb, check, examine) |
| speculate(verb, test, investigate, essay) |
| substantiate(verb, check, show, determine, examine) |
| validate(verb, check, show, determine, examine) |
| verification(noun, check, approval, examination, test) |
| weigh(verb, check, taste, measure, try) |
| agreement(noun, test, investigation) |