2 Syllables: SU
choral, coral, cordial, corporal, dorsal, floral, forceful, formal, jovial, laurel, moral, morsel, mortal, mournful, normal, oral, Oriel, portal, quarrel, quarrelled, quarrels, scornful, sorrel
3 Syllables: USU
abnormal, armorial, baronial, colloquial, colonial, corporeal, immoral, immortal, informal, memorial, parochial, pictorial, primordial, resourceful
4 Syllables: UUSU
ceremonial, dictatorial, editorial, equatorial, immemorial, matrimonial, senatorial, territorial, testimonial
5 Syllables: UUUSU
Found 47 words across 4 groupings. Skipped 12 excess words of a similar stem.