Demarcus rhymes with:
norkus, sarkis, bacchus, bacus, bartkus, bilirakis, butkus, dacus, dukakis, dukakis', firkus, fthenakis, funchess, hodgkiss, hotchkiss, karydakis, kochis, mitsotakis, moncus, norkus, papadakis, petkus, petrakis, psarouthakis, sarkis, vlahakis, wilkis, wirkus
Demarcus sounds like:
d'america, d'amore's, dahmer's, damaris, danners, demarais, demarche, demarchi, demarco, demaris, demark, demars, demarsh, demarzo, demeanors, demers, demerse, demirag, demory's, demurs, denarius, deniro's, denmark, denmark's, didemeyer's, dimarco, dimarzio, dimarzo, dimmers, dinars, diners, dinners, ditmars, donor's, donors, donors', downers