11 letters
- stalagmitic20
- statistical15
- staurolitic16
- stichomythy25
- stickhandle23
- stickleback29
- sticktights22
- subcortical22
- subcritical22
- sycophantic25
- syllogistic20
- symbolistic23
- sympathetic24
- symptomatic25
- synergistic19
- synesthetic19
- syntactical21
- syntagmatic22
- syphilitics22
- systematics19
- tapersticks21
- telekinetic20
- terroristic14
- theorematic19
- theoretical17
- therapeutic20
- ticktacking28
- ticktacktoe25
- ticktocking28
- tonetically19
- toploftical22
- torticollis16
- tritheistic16
- troglodytic20
- unaesthetic18
- unauthentic20
- uncinematic23
- unidiomatic20
- unpatriotic19
- unpolitical21
- unpractical23
- unrealistic17
- urtications16
- vandalistic21
- vasospastic21
- vaticinated20
- vaticinates19
- vaticinator19
- verbalistic22
- verticality21
- violinistic20
- viticulture21
- voodooistic19
- vorticellae20
- vorticellas20
- vorticities18
- voyeuristic21
- xenobiotics25