10 letters
- scleromata17
- sclerotial15
- scoreboard17
- scorpaenid18
- scrabblier20
- scriptoria16
- scriptural18
- senatorial12
- separation14
- separators13
- septicidal18
- shortbread16
- skateboard18
- speculator18
- spermatial17
- spheroidal17
- spiderwort17
- spiracular18
- splotchier19
- sporicidal18
- sporulated16
- spreadable18
- starboards14
- stockpiled22
- stockpiler21
- strippable20
- subcordate18
- subdialect19
- superboard18
- tackboards21
- tailboards15
- tailcoated15
- tailorbird15
- tarriances14
- tetraploid15
- trabecular18
- trabeculas18
- tracheolar16
- traditores11
- trailheads14
- trainloads13
- transcribe17
- transpired15
- transpolar15
- trapezoids23
- tricolored15
- trihedrals14
- trochlears16
- ultrabasic18
- ultrarapid16
- upbraiders18
- waterbirds17