Deleon rhymes with:
chameleon, machiavellian, machivellian, orwellian, alien, anatolian, aristotelian, bachailian, balian, chameleon, chilean, dalian, episcopalian, galleon, galyean, gillian, harpootlian, hegelian, herculean, holian, holien, jillian, julian, julien, karelian, kilian, lilian, lilien, lillian, lilyan, machiavellian, machivellian, mammalian, maximilian, milian, mongolian, napoleon, orlean, orwellian, raphalian, sicilian, stelian, st_julien, topalian, wesleyan, yulian
Deleon sounds like:
d'alene, daelim, dahlem, dahlen, dahlin, dahlman, dalen, dalian, dallman, dallmann, dalma, dalman, dalmo, dateline, daudelin, deadline, delaine, delane, delaney, delano, delanoy, delany, delaune, delima, deline, delma, delman, deloney, deluna, delwin, delwyn, dhillon, dilemma, dillan, dillen, dillin, dillion, dillman, dillon, dolan, dolen, dolin, dollan, dolman, dolney, doolan, doolen, doolin, dowlen, dulaney, dulany, dulin, dylan