11 letters
- rustication16
- sartorially15
- satirically18
- scintillant18
- scintillate17
- sectionally19
- semiotician18
- semitonally19
- sillimanite17
- sociability20
- socialistic18
- solicitants16
- somatically21
- startlingly18
- staurolitic16
- stimulation17
- stimulatory18
- stratocracy19
- stylization24
- syllabicity23
- synonymical24
- syntactical21
- terminators15
- testimonial16
- timocracies20
- titanically19
- titillation14
- tonetically19
- tonsillitis14
- torsionally16
- tortellinis14
- torticollis16
- translatory15
- trichromats19
- triliterals13
- trillionths16
- trisyllabic21
- tyrothricin19
- urtications16
- volcanicity25