| dare(noun, verb, get, dispute, provoke) |
| delve into(verb, expression, study, check, consider) |
| denounce(verb, get, dispute, provoke, try) |
| dependent |
| determine(verb, study, show, consider, draw) |
| developmental(adjective, new, trial, untried, tentative) |
| diagnosis(study, check, analysis, inspection, scrutiny) |
| diagnostic |
| discharge(noun, activity, study, work, exercise) |
| distress(noun, verb, upset, trouble, bother) |
| double-check(verb, check, confirm, prove, demonstrate) |
| drink(noun, try) |
| dry run(noun, verb, expression, study, work) |
| effort(noun, activity, study, work, struggle) |
| endeavor(noun, verb, work, struggle, try) |
| establish(verb, confirm, prove, verify, validate) |
| exact(verb, get, dispute, provoke, try) |
| examen |
| exercise(noun, verb, study, work, measure) |
| experiment with(verb, expression, phrasal verb, check, taste) |