Trappe rhymes with:
entrap, strap, trap, trapp, crap, entrap, frap, krapp, rap, rapp, rappe, scrap, strap, trap, trapp, unwrap, wrap
Trappe 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, traub, trib, tribbey, tribby, tribe, trip, tripe, tripi, tripp, trippe, trippie, trivia, troop, tropea, trophy, tropp, troubh, troup, troupe, trove, trubey, truby, true-view, trupp, tryba, turbo, turf, turvey, turvy