9 letters
- scurrying18
- searching17
- sectoring15
- semigroup18
- serigraph16
- serrating12
- serration10
- sharecrop17
- signature13
- spanglier16
- spearguns16
- spirogyra16
- splurgier16
- sporangia15
- spreading16
- springers15
- springier15
- sprouting16
- subregion16
- succoring19
- suckering20
- suctorian14
- sugarcane16
- supercars16
- supercoil17
- superiors13
- superlain15
- supernova18
- superrace16
- superrich18
- superroad14
- supinator14
- surcharge17
- surcingle17
- surfacing19
- surrogacy17
- surrogate12
- tenacious14
- terracing15
- terrapins13
- transpire13
- trapesing15
- tricornes13
- trouncers14
- truancies14
- umpirages18
- unceasing17
- uncharges18
- unpackers21
- unrepairs14
- unscarred15
- unsparing17
- upbearing19
- upcasting19
- upraisers13
- upraising16
- uprearing16
- uprousing17
- upscaling20
- upsoaring16
- upstaring16
- uptearing16
- urgencies16
- urinaries11
- urokinase15
- vaporings19
- vapourers17
- vapouring20
- veracious17
- veronicas17
- vinaceous18