10 letters
- sightseers14
- silhouette14
- sisterhood13
- sitologies13
- sitosterol11
- sloughiest16
- sortileges13
- spaghettis17
- sphalerite16
- spherulite17
- spirochete18
- splotchier19
- splurgiest17
- spoilsport17
- spoliators14
- spooferies16
- spookeries17
- spotlights18
- starlights15
- stealthier13
- stepmother18
- stepsister13
- stereology15
- stereopsis13
- stilettoes11
- stoplights18
- storehouse13
- storeships15
- strategies12
- stripeless14
- striptease13
- stroppiest16
- superlight19
- supertight18
- sweltriest14
- tapestries13
- telegraphs18
- telephotos16
- teliospore14
- telophases16
- telphering19
- temporises16
- terpineols15
- thelitises13
- theodolite14
- theogonies15
- theologies15
- theologise15
- theologize24
- theologues16
- therapists15
- thermopile19
- thermosets15
- theurgists15
- tholeiites13
- thriftless16
- tighteners15
- tightropes17
- toiletries11
- toploftier17
- topologies16
- topologist16
- torosities10
- trehaloses13
- tremolites14
- troopships18
- turophiles17
- tutorships16
- typologies18
- typologist18
- upholsters17
- urologists14
- weightless18
- wirephotos18