10 letters
- sauntering15
- scandaling19
- seignorial14
- semiannual17
- senatorial12
- senatorian12
- separating16
- separation14
- serenading15
- shortening16
- shotgunned18
- shotgunner17
- sialagogue16
- signalment18
- signatures14
- singletons15
- sinoatrial12
- slandering16
- slanderous14
- slathering16
- sloganized24
- smaragdine17
- smaragdite16
- smartening17
- smoldering18
- snapdragon18
- snorkeling19
- soldiering15
- soundalike18
- soundingly19
- soundstage15
- sporangial17
- sporulated16
- stagnation14
- stannaries12
- starveling18
- staurolite12
- stentorian12
- stewarding17
- stoutening15
- straddling16
- strandline14
- strangling17
- stravaiged17
- stridulate13
- stringendo15
- stroudings15
- subrogated17
- subtending19
- sudatories12
- sulfonated17
- supergiant17
- surrogated14
- tailboards15
- tailenders13
- tailgaters13
- tailorings14
- tangential15
- tangerines14
- tantalised13
- tarnations12
- tarpaulins16
- tenderloin14
- tendrilous14
- tetragonal14
- thundering18
- toenailing15
- tolerating14
- toluidines14
- tourmaline16
- tourneying17
- tragedians14
- trailheads14
- trainbands16
- trainloads13
- transgenic17
- translated13
- transudate13
- transuding16
- transvalue17
- treasuring14
- trialogues14
- triangular15
- triennials13
- tularemias15
- turgidness15
- tyrannised15
- ulcerating18
- ulceration16
- ultradense14
- ultrasonic16
- ultrasound15
- unarrogant15
- unassailed14
- unassigned16
- unbandages19
- uncreating18
- undercoats16
- underdoing17
- undergoing18
- underlines15
- underlings17
- underlying19
- underpants17
- underplots17
- underslung18
- understand15
- undertones14
- underwings19
- undressing16
- undulating18
- undulation16
- unearthing17
- unenlarged17
- ungainlier16
- ungodliest16
- unhandiest16
- unilateral14
- uninflated18
- unitarians13
- univalents18
- unlearning17
- unleashing18
- unmanliest17
- unoriginal16
- unpastoral16
- unpleasant17
- unpleasing19
- unraveling20
- unreadiest13
- unreasoned14
- unsaddling18
- unsalaried14
- unsanitary15
- unsettling16
- unsnarling17
- unsteadier13
- unsteadily16
- unsteeling16
- unstrained14
- unswearing18
- untreading16
- upstanding19
- uraninites13
- urinations13
- urogenital15
- valuations17
- vernations16
- vulgarians19
- vulgarised19
- wanderings18
- wanderlust17