11 letters
- reminiscent19
- reminiscing21
- resummoning22
- reunionists14
- rusticities15
- scientizing27
- scroungiest18
- sectilities15
- sedimenting19
- seigniories14
- semanticist18
- semiotician18
- semioticist17
- seniorities12
- sensitising15
- sensitizing24
- sententious14
- sincerities15
- sinuosities13
- smithsonite17
- solemnities16
- somerseting17
- technetiums21
- teemingness18
- tendencious18
- tendentious15
- tensilities13
- testimonies15
- teutonizing25
- thingummies23
- tiemannites16
- tinsmithing20
- trisections15
- tumorigenic21
- unanimities17
- uncommitted23
- uncommonest23
- uncontested18
- uninitiates14
- uninterests14
- unremitting19
- unresisting16
- unstitching21
- untimeliest17
- viscounties20