Hyphenated rhymes with:
decaffeinated, decaffeinated, decontaminated, denominated, emanated, exterminated, germinated, halogenated, hydrogenated, impersonated, indoctrinated, marinated, opinionated, predominated, rejuvenated, renominated, resonated, subordinated
Hyphenated sounds like:
happened, haven't, heavyhanded, hyphenate