Qasr rhymes with:
kaeser, kaser, kayser, rukeyser, appraiser, blaiser, blaser, blazer, fraser, frazer, gaiser, glaeser, glaser, glazer, graeser, graser, grazer, heyser, kaeser, kaser, kayser, laser, lazar, lazer, maser, mazer, naser, nazer, peyser, raiser, raisor, raser, rasor, razor, rukeyser, taser, thaser
Qasr sounds like:
quackery, quaker, quarre, quarry, quasar, queer, queerer, querry, query, quicker, quire, quiry