9 letters
- sinfonias14
- sirenians11
- skinniest15
- snappiest16
- snapshots15
- snippiest16
- snoopiest13
- snowiness14
- soapiness13
- soapstone13
- solanines12
- solipsist13
- sonatinas11
- sonicates13
- sootiness10
- soppiness16
- spiciness16
- spikiness17
- spininess14
- spinosity15
- spinsters13
- spoliates13
- spongiest15
- sponsions14
- spooniest13
- staginess12
- staidness11
- stainless11
- stanhopes15
- stannites11
- starnoses10
- steapsins13
- sternsons11
- stokesias13
- stoniness11
- stonishes12
- sunstones12
- supinates14
- syntonies13
- taeniasis10
- tailspins14
- tastiness10
- tawniness14
- teaspoons13
- tensional12
- thespians15
- thionines13
- tinniness12
- tinstones11
- tipsiness13
- topiaries12
- transpose13
- unaptness15
- unionises12
- unionists12
- venations15
- vexations21
- wispiness16
- xantheins20
- xanthines20
- xanthones20