Kosmetsky rhymes with:
bielecki, czarnecki, dolecki, gorecki, jarecki, kawecki, kopecky, kopetski, kostecki, kostelecky, kotecki, lasecki, piasecki, siedlecki, sobecki, solecki, sovyetsky, strzelecki, terlecki, touretzky, zaretsky
Kosmetsky sounds like:
kanitz, kantz, kemnitz, kendig, kenetech, kennedy's, kennedys, kennedys', kent's, kentucky, kentucky's, keynotes, kienitz, kientz, kindig, kinds, kinetic, kinetics, kintigh, kintz, kismets, kmetz, knits, knotek, knots, knott's, knotts, knuts, komatsu, kondas, kontos, koonts, koontz, kosmatka, kosmetsky's, kountz, kuntz, kuntze, kuznets