10 letters
- separatist13
- smartening17
- smattering16
- snatchiest16
- spearmints17
- staircases13
- stalactite14
- stannaries12
- starchiest15
- statecraft16
- statements14
- stationers11
- statuaries11
- stentorian12
- sterigmata15
- sterilants12
- straitness11
- stramonies14
- stratagems15
- strategist12
- streamiest13
- streamings16
- strictness14
- syncretism19
- syncretist16
- systematic18
- tanistries11
- tantalises12
- tantalites12
- tanzanites21
- tarantases11
- tarantisms14
- tarnations12
- tarriances14
- taskmaster17
- tearstains11
- tectonisms17
- tenantries12
- termagants16
- terminates14
- testaments14
- tetracaine14
- tramontane15
- transacted15
- transcends16
- transfects17
- transgenic17
- transience15
- transiency17
- transients12
- translates12
- transmutes15
- transsonic15
- traumatise14
- treatments14
- triacetate13
- tyrannises14
- vacantness19