Courtesies rhymes with:
fantasies, accuracies, associes, bureaucracies, bureaucracy's, candidacies, confederacy's, conspiracies, delicacies, democracies, democracy's, embassies, embassy's, fallacies, fantasies, hennessey's, inadequacies, intricacies, jealousies, legacies, odyssey's, pharmacies, policies, policy's, privacies, prophecies
Courtesies sounds like:
carats, card's, cardiac, cardiges, cardis, cardiss, cardosa, cardosi, cardoso, cardoso's, cardoza, cardozo, cards, cards', carducci, carrots, carthage, carts, ceredase, cerritos, charades, chariots, charities, charities', charity's, charts, chertkow, cherts, chordates, chords, cigarette's, cigarettes, cohorts, cordage, cordasco, cordes, cordis, cords, cordts, coretech, corrodes, cortege, cortes, cortese, cortesi, cortex, cortez, corteze, coseratz, court's, courteous, courtesy, courthouse, courthouses, courtis, courtois, courts, courts', coward's, cowardice, cowards, craddock, cradic, cradock, crates, creates, credit's, credits, creditwatch, creeds, cretaceous, crites, critic, critic's, criticize, criticizes, critics, critics', critique, critiques, critz, croat's, croatia's, croats, crotch, crotts, crowd's, crowds, crude's, crudes, crutch, crutches, curt's, curtice, curtis, curtis', curtiss, curts, curtsy