Thiessen rhymes with:
thiesen, andreason, andresen, andriessen, creason, dreessen, driessen, friesen, giesen, gleason, greason, greeson, leason, leeson, neeson, nessen, niesen, riesen, thiesen, wiesen
Thiessen sounds like:
tacoma, tajima, takashima, takashimaya, takayama, taken, takeshima, takin', taoism, tashin, tashjian, tasm, tasman, tasmania, tasmanian, tassin, tassone, tatsuno, tauzin, teason, techno, tecogen, teichman, teichmann, teigen, tejan, tejano, tejon, tessman, texan, texscan, tezeno, theisen, theism, theissen, thicken, thiesen, thissen, thyssen, tieken, tieszen, tietjen, tigon, tijuana, tishman, tison, tognino, token, tokkin, tokuyama, toscanini, toscano, toughen, towson, toxin, tschumi, tsunami, tsuneo, tuchman, tuckman, tucson, tucuman, tudjman, tugman, tuscan, tuscany, twosome, tycoon, tyson