Or search: pot, kettle, vessel, heating
2 Syllables: SU
boilers, cloister, lawyer, loiter, moisture, oyster, pointer, Sawyer, toilers
3 Syllables: USU
destroyer, embroidered, employer, rejoinder
4 Syllables: UUSU
reconnoitre

Found 14 words across 3 groupings. Skipped 9 excess words of a similar stem.