Placid's rhymes with:
alcids, affiliated's, alcids, amalgamated's, annelids, aphids, birmid's, cedar-rapids, consolidated's, cupids, cyanamid's, david's, davids, druids, federated's, hundred's, incorporated's, integrated's, khalid's, pyramids, undecideds
Placid's sounds like:
palisades, placetas, plastic, plastics, plisetskaya, polecats, populists, publicists