10 letters
- sauntering15
- scattering16
- seafarings16
- sectarians14
- seminarian15
- seminarist14
- senatorian12
- separating16
- separatist13
- shattering15
- shenanigan17
- signatures14
- signorinas14
- skittering17
- smartening17
- smattering16
- sonnetting15
- spattering16
- springiest16
- stagnating16
- stagnation14
- stannaries12
- stationers11
- stationing14
- statuaries11
- stentorian12
- sterigmata15
- sterilants12
- stingarees13
- stinginess14
- straighten15
- straitness11
- stratagems15
- strategies12
- strategist12
- stratifies13
- streakings17
- streamings16
- striations11
- stringiest13
- stringings16
- sustaining15
- tailgaters13
- tangential15
- tangerines14
- tanistries11
- tantalises12
- tanzanites21
- tarantases11
- tarantisms14
- tarnations12
- tarnishing16
- tearstains11
- tenantries12
- tensioning15
- termagants16
- tetanising14
- tetanizing23
- tinnituses13
- tragedians14
- transgenic17
- transients12
- transiting14
- transition12
- transitive15
- translates12
- trapanning18
- trepanning18
- tretinoins12
- triennials13
- trinketing18
- tripinnate15
- trisecting16
- tristearin11
- tyrannises14
- unitarians13
- unstinting16
- uraninites13
- wintriness15
- witnessing17