Embassy's rhymes with:
embassies, embassies, embassies, accuracies, associes, bureaucracies, bureaucracy's, candidacies, confederacy's, conspiracies, courtesies, delicacies, democracies, democracy's, embassies, fallacies, fantasies, hennessey's, inadequacies, intricacies, jealousies, legacies, odyssey's, pharmacies, policies, policy's, privacies, prophecies
Embassy's sounds like:
embassies, embassy, emboss, emphases, emphasis, emphasize, emphasizes, envious, envisage, envisages, envos, envoys