Cowardice rhymes with:
hazardous, stewardess, addidas, addidas', adidas, aldous, brajdas, broadus, candace, constantinides, delgiudice, enterividous, exodus, geddes, georgiades, goddess, gradus, hazardous, hondas, horrendous, indus, jaundice, judas, landess, logiudice, madis, midas, modus, pardus, redus, rhodus, sardas, sodus, stewardess, stupendous, tremendous
Cowardice 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, courtesies, courtesy, courthouse, courthouses, courtis, courtois, courts, courts', coward's, 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