Or search: massive, monumental
2 Syllables: SU
3 Syllables: USU
4 Syllables: UUSU
5 Syllables: UUUSU
6 Syllables: UUUUSU
7 Syllables: UUUUUSU

Found 106 words across 6 groupings. Skipped 21 excess words of a similar stem.