Or search: lind, mezzo, pitch, sills, norman, singer, treble, nilsson, tebaldi, traubel, vocalist, ponselle, vocaliser, vocalizer, coloratura
2 Syllables: SU
abo, Ambrose, Anglo, anno, ano, aro, arrow, Austro, auto, Barrow, borrow, Bravo, Campo, canto, Caro, Castro, Congo, console, fallow, follow, Franco, Glasgow, grotto, hallow, Harrow, hollow, Johnstone, lago, macro, Malo, mango, Montrose, morrow, Moscow, motto, narrow, Otto, Palo, Paso, Paulo, Roscoe, sallow, Sancho, sandstone, Santo, shadow, shallow, sorrow, Stanhope, Strabo, stronghold, swallow, tallow, tanto, Tasso, wallow
3 Syllables: USU
Alfonso, Alonzo, Apollo, bravado, Chicago, Dorado, Fernando, fiasco, Morocco, mulatto, Orlando, Palazzo, piano, portmanteau, Romano, staccato, tobacco, tomato, tomorrow, Toronto
4 Syllables: UUSU
Colorado, overshadow, Santiago

Found 79 words across 3 groupings. Skipped 3 excess words of a similar stem.