See also the related category greek.
Cozmas is not regularly used as a baby name for boys. It is not listed in the top 1000 names.
Baby names that sound like Cozmas include Caning, Canning, Cannyng, Canyng, Cenwig (English), Chemish (English), Comas, Comis, Comos, Comus, Comys, Connors (English), Cosmas (Greek and Italian), Cosmos, Cozmos, Cósima, Cunac, Kacankue, Kajínek (Czech), and Kamuzu.
† approx English pronunciation for Cozmas: K as in "key (K.IY)" ; OW as in "oak (OW.K)" ; Z as in "zoo (Z.UW)" ; M as in "me (M.IY)" ; AH as in "mud (M.AH.D)"