10 letters
- reptilians15
- resinating14
- resistants11
- resittings13
- restarting13
- restaurant12
- restraints11
- retardants12
- retraining14
- retransmit14
- safranines15
- saintliest12
- sanctities14
- sandpapers18
- sandpipers18
- sanitarian12
- sanitaries11
- sanitating14
- sanitation12
- sapphirine19
- satiations11
- scrappiest19
- sectarians14
- seminarian15
- seminarist14
- senatorian12
- separating16
- separation14
- separatism16
- separatist13
- separators13
- septenarii14
- serrations11
- snappiness18
- snippetier17
- sparsities13
- sparteines14
- spattering16
- spearmints17
- spinnakers19
- spinnerets15
- spinneries15
- springiest16
- standpipes18
- stannaries12
- stationers11
- statuaries11
- stentorian12
- stepparent17
- sterilants12
- straitness11
- strappings19
- stratifies13
- striations11
- stringiest13
- striptease13
- stroppiest16
- sweatpants17
- tanistries11
- tantalises12
- tanzanites21
- tapestries13
- tarantases11
- tarantisms14
- tarnations12
- tarriances14
- tearstains11
- tenantries12
- termitaria13
- tertiaries10
- tetanising14
- therapists15
- timpanists17
- tinnituses13
- trailerist11
- traitoress10
- transcript17
- transeptal15
- transients12
- transistor11
- transiting14
- transition12
- transitive15
- translates12
- transpired15
- transpires14
- transplant16
- transports14
- transshape16
- trapezists22
- tretinoins12
- triennials13
- tripartite13
- tripinnate15
- triradiate11
- tristearin11
- truantries12
- tyrannises14
- unapparent19
- unitarians13
- uppitiness18
- uraninites13
- warranties14
- wintriness15