| test run(noun, expression, struggle, examination, test) |
| trial and error(noun, expression, idiom, study, check) |
| workout(noun, struggle, examination, test, effort) |
| R and D(noun, expression, idiom, study, measure) |
| analysis(noun, study, check, measure, struggle) |
| assessment(noun, check, approval, examination, test) |
| attempt(noun, study, check, measure, struggle) |
| blue book(noun, expression, check, approval, examination) |
| combat rehearsal(noun, expression, trial, tryout, rehearsal) |
| comp(noun, check, approval, examination, standard) |
| confirmation(noun, check, approval, examination, standard) |
| corroboration(noun, check, approval, examination, standard) |
| countdown(noun, check, approval, examination, standard) |
| criterion(noun, check, approval, examination, standard) |
| dress rehearsal(noun, expression, trial, tryout, rehearsal) |
| dummy run(noun, expression, run, trial, tryout) |
| elimination(noun, check, approval, examination, standard) |
| essay(noun, study, check, measure, struggle) |
| evaluation(noun, check, approval, examination, standard) |
| flight test |