11 letters
- septentrion16
- serialising15
- serpiginous18
- servanthood19
- shergottite15
- shinplaster18
- shipfitters19
- shoehorning19
- shoestrings16
- shortenings17
- shotgunners18
- sideswiping21
- signatories14
- signposting20
- sinfonietta16
- sisterhoods14
- smatterings17
- smithsonite17
- smoothening20
- snapdragons19
- snapshooter17
- snapshotted18
- snowshoeing20
- soldierings16
- soldiership18
- sonications16
- sonographer19
- soothsaying18
- sophistries16
- spaghettini19
- speciations18
- spendthrift21
- sphingosine20
- spinosities15
- spinsterish17
- splattering18
- splintering19
- spoliations16
- spontaneity18
- spontaneous17
- sporogenous18
- sporogonies17
- sporozoites23
- spotlighted20
- springheads20
- springhouse20
- springiness18
- springtails18
- springtides18
- springtimes20
- springwoods21
- stagnations15
- stanchioned19
- standpatter16
- standpoints17
- stenography21
- stenotyping20
- stenotypist17
- stephanotis17
- stewardship20
- stilettoing15
- stipendiary18
- stolidities13
- stomatopods18
- straightens16
- straightest15
- straighting18
- straightish17
- straitening15
- strandlines15
- strategists13
- strengthens17
- stringhalts17
- stringiness15
- strongholds18
- studentship19
- stupidities16
- supergiants18
- supernation17
- supinations17
- suspiration16
- tapestrying19
- taphonomies20
- taphonomist20
- temporising20
- temptations18
- terminating18
- termination16
- tetraploids16
- theologians17
- theosophist18
- thermostats16
- thiopentals18
- thirstiness14
- thorianites14
- threadiness15
- threatening17
- threnodists15
- thriftiness17
- throatiness14
- thyroiditis16
- tightfisted19
- tinsmithing20
- titivations16
- tolerations13
- toothpastes16
- topdressing18
- topnotchers20
- topologists17
- topstitched20
- topstitches19
- torpidities15
- torridities12
- traineeship17
- transecting18
- transection16
- transfinite16
- transhipped21
- transitions13
- transmitted16
- transpiring18
- transponder17
- transported16
- transposing18
- transposons16
- transshaped18
- trapnesting18
- trapshooter16
- trepanation16
- trepidation16
- trespassing17
- trichinoses17
- trichinosis17
- triphthongs21
- triploidies16
- trisections15
- tristearins12
- tritheistic16
- trophozoite25
- trypsinogen20
- turgidities15
- undershoots16
- ungarnished19
- uninitiated15
- uninitiates14
- unresistant14
- unresisting16
- untarnished17
- unthreading19
- uprightness20
- uptightness20
- vaginitides19
- videotaping22
- vignettists18
- visionaries16
- visitations16
- waitpersons18
- waitressing17
- wardenships21
- whisperings22
- wingspreads21
- withindoors18
- xiphisterna24