Words That Rhyme With "Decongestive" :
2 syllables:
costive, crescive, essive, festive, restive
3 syllables:
abessive, adessive, aggressive, arrestive, assistive, caressive, combustive, compressive, concessive, congestive, contrastive, degressive, depressive, digestive, digressive, excessive, exhaustive, expressive, impressive, inessive, obsessive, oppressive, possessive, progressive, recessive, regressive, repressive, resistive, successive, suggestive
4 syllables:
indigestive, inexpressive, noncontrastive, retrogressive, unexpressive, unimpressive, unprogressive, unsuggestive