Or search: cox, lag, tag, vet, heel, obey, tail, chase, ensue, haunt, stalk, track, trail, accede, adhere
2 Syllables: SU
abo, almost, also, aro, Austro, auto, borrow, Bravo, Caro, followed, follows, grotto, hollow, lago, Malo, morrow, Moscow, motto, Otto, Paulo, Roscoe, sorrow, Strabo, swallow, Waldo, wallow, Walpole
3 Syllables: USU
Apollo, bravado, Chicago, Dorado, Morocco, mulatto, Palazzo, Romano, soprano, staccato, tomato, tomorrow
4 Syllables: UUSU
Colorado, Santiago

Found 41 words across 3 groupings. Skipped 4 excess words of a similar stem.