10 letters
- sphalerite16
- sphenoidal18
- spheroidal17
- spirochete18
- splintered16
- splotchier19
- stealthier13
- stencilers15
- stencilled17
- stenciller16
- straitened12
- strandline14
- streamline15
- stridences15
- syndicator17
- tailenders13
- technicals20
- telephonic20
- tenderloin14
- tendrilous14
- terpenoids15
- terpineols15
- thearchies17
- theodicies16
- thickeners20
- thimerosal16
- threadfins17
- threadiest13
- threadless14
- threadlike18
- threnodies14
- threnodist14
- threonines14
- thylacines19
- tolerances15
- touchlines18
- tovariches19
- tracheoles16
- trailheads14
- trainloads13
- trancelike19
- transected15
- transience15
- trehaloses13
- triathlons14
- trihedrals14
- trihedrons14
- trochlears16
- trochoidal17
- ulceration16
- ultradense14
- ultrasonic16
- unactorish17
- unclearest16
- uncorseted16
- undercoats16
- unescorted16
- unreadiest13
- unsteadier13
- ventricles19
- ventricose18
- verdancies19
- wainscoted18
- waterlines15
- zealotries20