Kartes rhymes with:
carts, descartes's, art's, arts, artz, bart's, barts, bartz, carts, charts, dart's, darts, departs, descartes's, hart's, harts, hartz, heart's, hearts, imparts, k-mart's, mart's, marts, martz, part's, parts, parts', schartz, smarts, spartz, starts, tarts, upstarts
Kartes sounds like:
kaisertech, kaisertech's, karadzic, karadzic's, karatsu, karatz, kardos, kariotis, karydakis, keiretsu, kerridge, kertesz, kertz, keywords, kirts, korotich, kortz, kraatz, kratky, kratz, kratzke, krawitz, kreitz, kretsch, kretz, kreutz, kritz, krotz, krowitz, krutick, krutz, kurdish, kurds, kurtis, kurtz