10 letters
- reunionist13
- rhinestone14
- rinderpest15
- ropedancer18
- rotundness14
- ruinations13
- runarounds15
- rusticated15
- sanctified18
- sanctifier17
- sanctioned16
- saponified18
- saponifier17
- saprogenic19
- sauntering15
- sceptering19
- scorpaenid18
- scouthered17
- screenland17
- scrutineer15
- sculptured20
- secretions14
- seductions16
- senatorian12
- separation14
- septenarii14
- septennial16
- serenading15
- serpentine15
- soundtrack20
- sparteines14
- speciation17
- speculated19
- speculator18
- spermaceti19
- spinnerets15
- spirochete18
- splintered16
- sporulated16
- stainproof17
- standpoint16
- stentorian12
- straitened12
- strandline14
- stridences15
- stringendo15
- stupendous17
- subcordate18
- subduction20
- subpoenaed19
- subproduct22
- subreption18
- subroutine16
- suctorians15
- sudatories12
- sudatorium16
- sufferance21
- suffocated21
- sulfonated17
- sulfureted17
- superagent17
- superclean19
- superfluid20
- superfunds20
- supergiant17
- supernovae19
- superoxide22
- superscout18
- supersonic18
- supertonic18
- supination16
- supinators15
- suppurated19
- supraoptic20
- surefooted15
- surjection24
- surmounted17
- surprinted16
- sustenance16
- syncopated20
- syndicator17
- tailenders13
- tangencies17
- tangerines14
- tapestried14
- teacupfuls22
- teacupsful22
- temporised17
- tenantries12
- tendencies16
- tenderloin14
- tendrilous14
- tenebrious15
- tenpounder17
- tensioners12
- terpenoids15
- terpineols15
- threadfins17
- threnodies14
- threonines14
- thunderous16
- tolerances15
- transcends16
- transduced17
- transducer16
- transduces16
- transected15
- transfixed22
- transfused16
- transgenic17
- transience15
- transiency17
- transpired15
- transposed15
- transsonic15
- transuding16
- trapezoids23
- trapnested15
- tremendous16
- trendiness13
- treponemas17
- truncation16
- truncheons18
- tuffaceous21
- turgencies17
- turnaround15
- turpentine16
- turpitudes16
- tyrannised15
- udometries15
- ulceration16
- ultradense14
- ultrasonic16
- ultrasound15
- unaccented20
- unaccepted22
- unactorish17
- unaffected22
- unanchored19
- unanswered17
- uncanniest17
- uncarpeted19
- uncensored17
- uncensured18
- uncleanest17
- unclearest16
- uncoffined23
- unconfined21
- unconfused21
- unconfuses20
- unconsumed21
- uncorseted16
- uncouplers20
- uncreating18
- uncreative19
- uncredited17
- undecadent18
- underacted17
- undercoats16
- undercount18
- undercroft19
- undereaten14
- underfunds19
- underlines15
- undermines17
- underneath16
- underpants17
- underparts16
- underplots17
- underprice19
- underrates13
- underreact16
- underscore16
- underspins17
- understand15
- understate13
- undertaken18
- undertakes17
- undertaxes20
- undertones14
- undirected17
- undisputed18
- undomestic19
- undulation16
- uneducated18
- unenclosed18
- unenforced20
- unenriched19
- unescorted16
- unfairness16
- unfastened17
- unfathered18
- unfavorite19
- unfiltered17
- unfocussed20
- unforeseen16
- unforested16
- unfreedoms19
- unfriended18
- ungenerous16