Aztecs rhymes with:
adaptec's, ameritech's, ametek's, armtek's, audiotex, avtex, biotechs, centex, cytotechs, discotheques, entex, equitex, eyetech's, gatx, genentech's, gtech's, intex, kaisertech's, latex, memtec's, metex, natec's, pillowtex, playtex, portec's, qintex, railtex, scitex, symantec's, syntex, trintex, ventritex, vertex, videotex, wedtech's, westtech's
Aztecs sounds like:
accedes, acetic, achatz, acidic, acidosis, acids, acoustic, acoustics, acquits, act's, acts, actus, aesthete's, aesthetes, aesthetic, aesthetics, agates, akita's, aquatic, ascetic, ashtec, ashtec's, asiatic, asides, assad's, assets, assets', assiduous, assists, associate's, associates, associates', august's, augusta's, augustus, auschwitz, azides, aztec, azteca