9 letters
- sparteine13
- sphincter18
- spinneret14
- spleenier14
- splenetic17
- steepened14
- stenchier15
- stenciler14
- stereoing12
- stonecrop16
- stoppered16
- stovepipe19
- stridence14
- stroppier15
- stropping18
- sweetener13
- teentsier10
- telescope16
- temporise15
- tenorites10
- tenpences17
- tensioner11
- terebenes13
- teredines11
- terpenoid14
- terpineol14
- terpinols14
- toepieces15
- trecentos13
- trephines15
- treponeme16
- tricepses15
- tricornes13
- triplexes20
- tuppences20
- twopences19
- unstopper17
- virescent17