Welltech rhymes with:
deltec, coltec, deltec, siltec, valtek, vocaltec, abcotek, adaptec, adtec, aerotech, ameritech, ametek, amtech, anitec, antec, aristech, armtec, armtek, astrotech, atek, aztec, banctec, bartek, biotech, brintec, cetec, coltec, comptek, coretech, cytotech, deltec, destec, digitech, discotheque, dynatech, equitec, eyetech, filtertek, genentech, geotek, gtech, hemotec, hightech, howtek, hybritech, immunetech, infotech, intertech, isoetec, itek, kaisertech, kotek, lectec, magnetek, martech, martek, memotec, memtec, mestek, minntech, miratec, mitek, mrotek, nortek, optek, pentech, pipetec, portec, presstek, publitech, questech, ramtek, raytech, sabertech, sabortech, sabretech, sematech, siltec, softech, solitec, spartech, storagetek, symantec, syntech, thortec, unitek, utech, uttech, valtek, vasotec, ventech, viratek, vocaltec, vortec, wavetek, wedtech, weitek, westtech, zaitech, zentec
Welltech sounds like:
waldeck, waldoch, waldock, wall-tex, wallets, walthose, walts, waltz, waltzes, wealths, weld's, welds, weltz, wields, wilde's, wildes, wilds, wildwoods, willets, willetts, willits, wilts, wiltse, wiltsey, wiltsie, wiltz, woltz