Westtech's rhymes with:
adaptec's, ameritech's, ametek's, armtek's, audiotex, avtex, aztecs, 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 sounds like:
waists, wasatch, washouts, waste's, wastes, wecht's, weekdays, weights, west's, westdeutsche, westech, westtech, westwood's, wichita's, wickets, wojtas, wojtaszek, wojtkiewicz, wojtkowski, wojtowicz