Thomsen rhymes with:
thomson, tomson, abrahamsen, abrahamson, abramson, adamson, bramson, clemson, damson, flamson, hamson, harmsen, hermsen, jameson, lambson, lamson, malcolmson, malcomson, remsen, remson, rimson, rumson, samson, siemsen, simson, stimson, thomson, timson, tomson, wilhelmsen, willemsen, williamsen, williamson
Thomsen sounds like:
tangeman, tangen, tangney, tanguma, tankan, tanzania, tanzanian, temkin, teng-wen, tennessean, tennison, tennyson, tension, thinkin, thinkin', thomasina, thomasine, thomason, thomassen, thomasson, thomison, thomson, tianjin, timken, timson, tingen, tinkham, tinsman, tomasina, tomasine, tomasini, tomasino, tomkin, tomson, tonkin, tonnesen, townsman, townson, tunisian, tunison, twonshein