Fitzmorris rhymes with:
fitzmaurice, fitzmaurice, fitzmaurice, fitzmaurice, fitzmaurice, morice, moris, boris, boris', borris, chloris, clitoris, delores, dolores, dorice, dorris, fitzmaurice, floris, laurice, loris, montgoris, morice, moris, norris, orris, sorice, tortorice, voris