Trupp rhymes with:
strupp, grupp, krupp, rupp, ruppe, schrupp, strupp, bupp, chupp, closeup, cup, cupp, grupp, hupp, knupp, krupp, lay-up, pup, rupp, ruppe, schlup, schrupp, schupp, shupp, strupp, stupp, sup, up, upp, yup
Trupp sounds like:
tariff, tarp, tarpey, tarpy, terrify, tervo, tharp, tharpe, therapy, there've, thereby, thereof, thorp, thorpe, thorup, thrive, throb, throop, throve, todoroff, toribio, torp, torpey, trabue, trap, trapp, trappe, traub, trib, tribbey, tribby, tribe, trip, tripe, tripi, tripp, trippe, trippie, trivia, troop, tropea, trophy, tropp, troubh, troup, troupe, trove, trubey, truby, true-view, tryba, turbo, turf, turvey, turvy