Cowardly rhymes with:
awkwardly, dastardly, downwardly, good-naturedly, haphazardly, inwardly, naturedly, niggardly, northwardly, outwardly, straightforwardly, upwardly
Cowardly sounds like:
cardell, cardella, cardello, cardiel, cardillo, cardwell, cartel, cartwheel, chartwell, chortle, cordell, cordial, cordially, cordill, cordle, cortelyou, courtly, cradle, credle, cretella, criddle, critelli, crotwell, crudele, crudely, curatolo, curtail, curtly