10 letters
- recitative17
- reestimate13
- reinitiate11
- reinspects17
- reinspires14
- reinstated12
- reinstates11
- reiterates10
- relicenses15
- reminisces17
- remittance17
- repacifies19
- repatterns14
- repentance18
- repetition14
- repetitive17
- replicases17
- replicates17
- represents14
- reptilians15
- resections14
- reserpines14
- residences15
- resilience15
- resistance14
- resistants11
- resittings13
- respecters16
- respecting19
- respective20
- restitches15
- restraints11
- resupinate15
- reticences17
- ricketiest17
- rickettsia17
- ripenesses14
- rusticates14
- sacristies13
- saintliest12
- saliencies15
- saltpeters14
- sanctifier17
- sanctifies17
- sanctities14
- sandpipers18
- sanitaries11
- sapiencies17
- sapphirine19
- scarcities16
- scatterers13
- scattering16
- scenarists14
- sceptering19
- scientists14
- scientizes23
- scrappiest19
- scrawniest17
- scrimpiest19
- scrutinies15
- scrutinise15
- secretions14
- sectarians14
- securities14
- seminaries14
- seminarist14
- semisecret16
- sensitizer20
- sententiae12
- sentiences15
- separatist13
- septenarii14
- septicemia19
- serenities11
- serpentine15
- serpigines16
- serviettes14
- severances18
- severities14
- sidepieces17
- snatchiest16
- snippetier17
- spaceports19
- sparsities13
- sparteines14
- spasticity18
- spattering16
- spearmints17
- specialest17
- specialise17
- specialist17
- speciating19
- speciation17
- specifiers19
- spectating19
- spectators16
- spermaceti19
- sphincters19
- spideriest14
- spinnerets15
- spinneries15
- spleeniest15
- splenetics18
- springiest16
- standpipes18
- starchiest15
- stationers11
- stenchiest16
- stencilers15
- stepparent17
- stepsister13
- sterilants12
- stingarees13
- straitened12
- straitness11
- strappings19
- strategies12
- stratifies13
- streakiest14
- streamiest13
- streetcars13
- streetwise13
- striations11
- strictness14
- stridences15
- stringiest13
- striptease13
- stroppiest16
- superettes14
- superstate14
- syncarpies19
- syncretise16
- syncretist16
- tailpieces17
- tanistries11
- taperstick20
- tapestried14
- tapestries13
- tartnesses11
- tearstains11
- teentsiest11
- telecaster14
- temerities13
- temperance20
- tenacities14
- tenantries12
- tenebrists14
- terminates14
- terneplate15
- tertiaries10
- tesseracts13
- testifiers13
- tetchiness16
- tetracaine14
- therapists15
- timepieces19
- timpanists17
- titanesses11
- tracheitis15
- transcript17
- transected15
- transfects17
- transience15
- transients12
- transitive15
- transpires14
- trapezists22
- trapnested15
- travesties14
- trichiases15
- trickiness18
- tricksiest17
- tricotines14
- tripinnate15
- triplicate17
- trisecting16
- trisection14
- tristearin11
- triticales14
- typescript21
- unartistic15
- uppercases20
- uppitiness18
- utterances15
- veracities17
- vespertine18
- vespiaries17
- vestiaries14
- vicereines18
- wateriness14
- westernise14
- winteriest14