10 letters
- separation14
- septenarii14
- sharpening19
- shattering15
- shipfitter18
- shortening16
- spattering16
- speciation17
- standpoint16
- stationers11
- stationery13
- stationing14
- stentorian12
- straighten15
- striations11
- supination16
- tanistries11
- tarnations12
- tarnishing16
- tenantries12
- tendonitis13
- tetanising14
- theorising15
- therapists15
- thiopental17
- thorianite13
- thorniness14
- threnodist14
- threonines14
- throatiest12
- tightropes17
- titrations11
- tonalities12
- tracheitis15
- traditions12
- transients12
- transiting14
- transition12
- transitive15
- trephining19
- tretinoins12
- triathlons14
- tricotines14
- triennials13
- tripinnate15
- trisection14
- tristearin11
- uintahites14
- uraninites13
- urinations13
- vanitories15
- vernations16
- waitperson17