1-syllable words
give live
2-syllable words
active captive festive forgive massive motive native olive passive
3-syllable words
abusive adaptive addictive aggressive attractive cognitive collective constructive creative decisive decorative defective defensive descriptive destructive detective directive distinctive effective excessive exclusive expensive explosive extensive fugitive impressive inactive incentive inclusive intensive invasive lucrative narrative negative objective offensive perspective positive preventive primitive productive progressive prospective protective reactive reflective relative respective responsive restrictive selective sensitive subjective successive supportive
4-syllable words
affirmative alternative automotive comparative competitive comprehensive consecutive conservative cumulative definitive derivative executive imperative indicative ineffective inexpensive informative initiative innovative interactive intuitive legislative locomotive operative quantitative repetitive reproductive speculative
5-syllable words
administrative collaborative cooperative investigative radioactive rep representative