Antagonize rhymes with:
agonize, agonize, disorganize, organize, reorganize, africanize, agonize, aluminize, americanize, balkanize, canonize, carbonize, christianize, colonize, communize, demonize, disorganize, euthanize, galvanize, harmonize, hellenize, homogenize, humanize, ionize, lionize, mechanize, organize, patronize, reorganize, revolutionize, scrutinize, suburbanize, synchronize, unionize, urbanize, womanize
Antagonize sounds like:
antigens, antigone's, antigones, antiknock, antisense, antitoxins