9 letters
- sinecures14
- snitchers15
- snoopiest13
- snootiest10
- snoutiest11
- sophistry16
- sorptions13
- sostenuti11
- sostenuto11
- southerns13
- southrons13
- spheriest14
- sphincter18
- spittoons13
- spooniest13
- sporocyst17
- sportiest12
- spruciest16
- stenchier15
- stenotype15
- sternites10
- sternpost13
- stitchers14
- stitchery16
- stonecrop16
- storeship14
- stretches14
- supercity18
- superhits15
- superthin16
- synthetic17
- tenorists10
- tenorites10
- teosintes10
- tephrites14
- tessiture10
- theoretic14
- theorises11
- theorists11
- theosophy18
- thereinto12
- thereunto13
- thereupon16
- thiophene17
- thiophens17
- thirteens12
- thorniest12
- tinctures14
- topstones13
- torchiest14
- toreutics13
- tortoises9
- touchiest15
- trecentos13
- trephines15
- tricepses15
- triptychs19
- triteness10
- turnspits14
- tutorship15
- tyrosines12
- unhitches18
- unspheres16
- untethers13
- upsetters13