2 Syllables: SU
bias, brightest, climate, crisis, cypress, Cyprus, Cyrus, diet, direst, driest, dryness, fibrous, finest, highest, Highness, hybrid, ibis, iris, Isaac, Isis, lias, lifeless, lightest, minus, Pilate, pilot, pious, pirate, Pius, priceless, primus, prius, private, quiet, righteous, riot, shyness, Silas, sinus, slightest, Tigris, Titus, typhus, violets, virus, widest, wisest, Wyatt
2 Syllables: US
3 Syllables: SUU
3 Syllables: USU
Aquinas, arthritis, bronchitis, Darius, desirous, disquiet, Elias, impious, Matthias, papyrus, Tobias, unbiased, unbiassed, unrighteous
4 Syllables: USUU
4 Syllables: UUSU
Found 73 words across 6 groupings. Skipped 7 excess words of a similar stem.