5 letters
- spank13
- spare8
- spark12
- spars8
- speak12
- spear8
- splat9
- splay11
- sprag10
- sprat8
- spray10
- sprue9
- sprug11
- spunk14
- spurn10
- spurs9
- spurt9
- sputa9
- stalk10
- stark9
- strap8
- stupa9
- sugar8
- sulfa10
- sulfo10
- sulks11
- sulky13
- super9
- supra9
- surah8
- sural7
- suras6
- surfs9
- surfy11
- surly9
- surra6
- sutra6
- swarf11
- syrup11
- talks10
- taluk11
- talus7
- tarps8
- traps8
- tufas9
- turfs9
- turks10
- turps9
- ukase10
- ulans8
- ulnar8
- ulnas8
- ulpan11
- ultra7
- ulvas11
- urase6
- ureal7
- ureas6
- urial7
- ursae6
- usual8
- usurp10
- varus10
- walks13
- warks12
- warps11
- wauks13
- wauls10
- wraps11
- yaups11
- zarfs17