Words That Rhyme With "Diphthongal" :
2 syllables:
angle, bangle, Bengal, bingle, boggle, brangle, bungle, cringle, dangle, dingle, dongle, Engle, fangle, fondle, fondled, fungal, goggle, Gogol, hingle, ingle, jangle, jingle, joggle, jungle, lingle, mangel, mangle, mingle, Mongol, pongal, pringle, rhonchal, ringle, shingle, single, spangle, Stengel, strangle, swingle, tangle, tingle, toggle, tringle, twangle, wangle, woggle, womble, wrangle
3 syllables:
atingle, bespangle, boondoggle, commingle, embrangle, entangle, galangal, immingle, newfangle, triphthongal, untangle