Words That Rhyme With "Costas" :

2 syllables:

Boston's, Cnossus, Faustus, fostress, Gnossus, gospels, hostels, Knossos, pastas, Plautus, process, Shasta's, vistas

3 syllables:

Augusta's, colossus, exhaustless, impostrous, molossus, pelotas, reprocess