11 letters
- penultimate20
- petulancies20
- pneumonitis20
- polemoniums23
- postulation17
- punctations20
- recitations15
- recommittal21
- reinoculate17
- relocations16
- reluctances20
- reluctation17
- reminiscent19
- remittances18
- renominates16
- renunciates17
- restimulate16
- reticulates16
- romanticise18
- romanticism21
- romanticist18
- ruminations17
- rustication16
- sacculation20
- salinometer16
- sansculotte17
- scintillant18
- scintillate17
- scopolamine22
- semanticist18
- seminomadic22
- semiotician18
- sententious14
- sentimental17
- simulations17
- sinfonietta16
- situational14
- sociometric20
- sodomitical19
- solacements19
- solemnities16
- solicitants16
- solmization25
- somatomedin19
- somnolences20
- sonications16
- speculation20
- spiculation20
- staminodium20
- staurolitic16
- stenohaline16
- stimulating19
- stimulation17
- stimulative20
- stipulation17
- sublimation20
- sulfonation18
- summational20
- tanglements19
- tautologies15
- tautomerism18
- tautonymies18
- technetiums21
- technicians21
- teetotalism15
- telecasting18
- telecommute22
- teleonomies16
- telocentric19
- tenaciously19
- tendencious18
- tendentious15
- termination16
- testimonial16
- testimonies15
- tiemannites16
- timocracies20
- tobacconist21
- tolerations13
- tonometries15
- tourmalines17
- tournaments17
- transection16
- translucent18
- truncations17
- tumefaction22
- ulcerations17
- unaesthetic18
- unanimities17
- uncinematic23
- unclarities17
- uncoalesced21
- uncoalesces20
- uncommitted23
- uncommonest23
- unconcealed22
- uncontested18
- unemotional18
- unessential15
- ungainliest17
- uninitiates14
- uninucleate19
- unmalicious21
- unmasculine22
- unrealistic17
- unrealities14
- unsolicited18
- untechnical23
- untimeliest17
- uricotelism19
- urtications16
- ventilation18