Portal rhymes with:
bortle, chortle, immortal, mortal, oertel, shortall, bartel, bartl, bartle, bartol, bortle, chortle, haertel, hartel, hartell, hartl, hartle, immortal, mortal, oertel, shortall, startle
Portal sounds like:
parietal, partial, partially, partlow, partly, pirtle, portela, portell, portelli, portilla, portillo, portly, prattle, proudly, purtell, purtle