5 letters
- rouse6
- rubes9
- ruble10
- ruers6
- ruffe12
- ruffs12
- ruled8
- ruler7
- rules7
- rumen10
- rumps12
- runes7
- rupee9
- ruses6
- safer8
- salep9
- scrum12
- sculp13
- scurf12
- sebum12
- sedum10
- selfs9
- sepal9
- seral6
- serfs8
- serif8
- serum9
- setup9
- shelf11
- shlep11
- sieur6
- sirup9
- skelm13
- skelp13
- sleep9
- slept9
- slier6
- slime9
- slipe9
- slope9
- slued8
- slues7
- sluff13
- slump13
- slums10
- slurb10
- slurp10
- slurs7
- slyer8
- slype11
- smear8
- smell10
- smelt9
- smerk12
- smile9
- solum10
- sorel6
- spale9
- spare8
- spear8
- speel9
- speer8
- speil9
- speir8
- spell10
- spelt9
- sperm11
- spiel9
- spier8
- spile9
- spire8
- spore8
- spree8
- sprue9
- sprug11
- spued10
- spues9
- spume12
- spumy14
- spurn10
- spurs9
- spurt9
- strep8
- strum9
- stump12
- stupe9
- suber9
- sucre9
- suers6
- sulfa10
- sulfo10
- sumps12
- super9
- supes9
- supra9
- sural7
- surer6
- surfs9
- surfy11
- surge8
- surly9
- syrup11
- temps11
- terms8
- trues6
- trump12
- tules7
- tumps12
- turfs9
- turps9
- ulcer10
- ulema10
- umbel13
- umber12
- umped13
- upper12
- upset9
- urase6
- ureal7
- ureas6
- urges8
- ursae6
- users6
- usher8
- usurp10
- velum14
- xerus13
- yelps11
- ylems11
- yules9