Klugt rhymes with:
glut, slut, abut, allnutt, but, butt, chesnutt, curnutte, cut, dutt, glut, gut, gutt, hut, hutt, jut, knut, kut, mcnutt, mutt, nut, nutt, phut, putt, rebut, rut, rutt, schut, schutt, schutte, scutt, shut, shutt, skutt, slut, smut, somewhat, strut, tut, tutt, uncut, utt, what