Baltazar rhymes with:
azar, nazar, almanzar, azar, azhar, bazaar, bazar, bizarre, csar, czar, guizar, huizar, nazar, tsar, zarre
Baltazar sounds like:
baldassare, baldassari, baldassarre, balthasar, balthaser, balthazar, balthazor, baltzer, blitzer, bloodsucker, blotchier, bulldozer