Devastate rhymes with:
allstate, corestate, downstate, gestate, homestate, overstate, prostate, realestate, southstate, sunstate, tristate, understate
Devastate sounds like:
debased, deepest, defaced, defect, defected, deficit, defused, depict, depicted, deposed, deposit, deposited, devastated, devised, diapsid, diffused, divest, divested