Morris rhymes with:

boris, chloris, chorus, dorice, doris, dorris, floris, horace, horus, laurice, loris, maurus, morice, moris, norris, orris, porous, sorice, sorus, taurus, torras, voris

3 syllables:
bos taurus, clitoris, delores, dolores, fitzmaurice, fitzmorris, greek chorus, in chorus, mcmorris, montgoris, slow loris, thesaurus, tortorice

4 syllables:
brontosaurus, genus chloris, genus loris, slender loris, stegosaurus

5 syllables:
maquiladoras, tyrannosaurus


Nah - it's all Willy envy...