Avantek rhymes with:
piontek, arthotec, asbestec, ashtec, datek, diagnostek, kenetech, kostek, kwiatek, patek, piatek, piontek, platek, sitek, swiatek, szostek, vitek, westech, witek
Avantek sounds like:
abounds, affinities, appendage, appendages, appendix, appendixes, appointees, appoints, avants