Or search: pole, tube, terminal, accumulator
2 Syllables: SU
Ambrose, Anglo, anno, ano, Campo, canto, cathode, Franco, hallowed, mango, sandstone, Santo, shadowed, Stanhope
3 Syllables: USU
Fernando, foreshadowed, Orlando, piano, portmanteau, soprano, unhallowed
4 Syllables: UUSU
overshadowed

Found 22 words across 3 groupings. Skipped 2 excess words of a similar stem.