Or search: harsh, mealy, coarse, grainy, gritty, chondritic, farinaceous
2 Syllables: SU
Chancellor
3 Syllables: SUU
angular, annular, Brandenburg, Chancellors, glandular, grandmother, hamburger, handsomer, Lancaster
4 Syllables: USUU
quadrangular, rectangular, triangular

Found 13 words across 3 groupings. Skipped 3 excess words of a similar stem.