9 letters
- supersize22
- supervise17
- supposers16
- surliness12
- surpluses15
- surprises13
- suspender15
- suspenser14
- suspenses14
- suspensor14
- syneresis12
- tensioner11
- uncrosses14
- underpins16
- underspin16
- undresses12
- unenvious17
- uninsured14
- unionises12
- universes15
- unpersons15
- unpressed15
- unreasons12
- unripened16
- unserious12
- unsounder14
- unspheres16
- untrusses12
- uprousing17
- winepress16