Words That Rhyme With "Retroactive" :
2 syllables:
3 syllables:
abstractive, attractive, coactive, contractive, detractive, diffractive, distractive, enactive, extractive, impactive, inactive, proactive, reactive, refractive, subtractive
4 syllables:
hyperactive, interactive, overactive, psychoactive, rarefactive, stupefactive, unattractive, underactive, vasoactive