9 letters
- retention11
- retinites10
- retinitis10
- retinoids11
- retinting13
- reuniting14
- revisions14
- ricinuses14
- ritziness19
- robustest13
- rockiness17
- roominess13
- rosaceous13
- rotations10
- rotenones11
- rottenest10
- roundness13
- routinize20
- ruination12
- runcinate15
- runtiness12
- russeting13
- rusticate13
- rusticity15
- rustiness11
- sanctions14
- saturnine12
- sautoires10
- scantiest13
- scattiest12
- scenarios13
- scenarist13
- schooners15
- scientism16
- scientist13
- scimiters15
- sciurines14
- sclerotin14
- scorifies15
- scorpions16
- scourings16
- scouthers15
- scoutings16
- scrounges16
- scurfiest16
- scurviest17
- seclusion15
- secretins13
- secretion13
- sectoring15
- seditions11
- seditious11
- seduction15
- seicentos13
- seigniors12
- semiotics15
- semitonic16
- seniority12
- senoritas10
- sensation11
- sensorium14
- sentients11
- sericeous13
- serotines10
- serotonin11
- shirtiest11
- shittiest11
- shortcuts15
- signories12
- signorine13
- siliceous14
- silicones14
- siltstone11
- sincerest13
- sincerity15
- sinciputs17
- sinecures14
- sintering13
- sinuosity13
- sirenians11
- sistering12
- situation11
- skinniest15
- sluttiest11
- smuttiest13
- snitchers15
- snoopiest13
- snootiest10
- snooziest19
- snottiest10
- snoutiest11
- societies12
- solicitor13
- solutions12
- sonicates13
- sonorants11
- sootiness10
- sorcerous13
- sorptions13
- sortieing12
- sortition10
- sostenuti11
- sostenuto11
- sourdines12
- southerns13
- southrons13
- souvenirs15
- spiritoso12
- spiritous13
- spittoons13
- spooniest13
- sportiest12
- spottiest12
- spruciest16
- squinnier21
- squinnies21
- squinters20
- squintest20
- squintier20
- stannites11
- stationer10
- statistic12
- steatitic12
- sternites10
- sternmost13
- sternpost13
- sternsons11
- stibnites13
- stickiest16
- stickouts17
- stictions13
- stilettos10
- stingiest12
- stinkiest14
- stitchers14
- stockiest16
- stockinet17
- stonecrop16
- stonewort13
- stoniness11
- stormiest12
- stoutness11
- straitens10
- straitest9
- strenuous12
- striation10
- strictest12
- stricture13
- strikeout14
- stringent13
- stripiest12
- strongest12
- strontias10
- strontium14
- strunting14
- strutters10
- strutting13
- stuccoers16
- sturdiest11
- sturgeons13
- subsector16
- subtonics17
- succories16
- suctioned15
- suctorian14
- sultriest11
- sunscreen15
- sunstones12
- sunstroke15
- suricates13
- suspicion17
- sustainer11
- syntonies13
- tacitness13
- taconites13
- tattiness10
- tattooers9
- tectonics16
- tectonism16
- tenacious14
- tendinous13
- tenorists10
- tenorites10
- tensioner11
- tensities10
- tenuities11
- teosintes10
- tessitura10
- tessiture10
- testators9
- testcross12
- theorists11
- thionines13
- thorniest12
- tinctured15
- tinctures14
- tinniness12
- tinstones11
- titanites10
- titration10