Fantasies rhymes with:
courtesies, accuracies, associes, bureaucracies, bureaucracy's, candidacies, confederacy's, conspiracies, courtesies, delicacies, democracies, democracy's, embassies, embassy's, fallacies, hennessey's, inadequacies, intricacies, jealousies, legacies, odyssey's, pharmacies, policies, policy's, privacies, prophecies
Fantasies sounds like:
fanatic, fanatics, fantasia, fantasize, fantasizes, fantasy, fantozzi, fends, fiendish, fiends, finds, fonda's, fondues, fontes, fonts, fuentes, fuentez, fund's, funds, funds'