10 letters
- solidarist12
- solidarity14
- solitaries11
- solitarily14
- soundboard17
- southwards17
- sparkliest18
- sparkplugs24
- sparseness14
- sparsities13
- sparteines14
- spearheads16
- spearmints17
- spearworts16
- specularly21
- spermaries16
- spikenards19
- spiracular18
- spongeware19
- sporocarps19
- sportswear16
- squareness21
- squarishly25
- squirarchy27
- stalwartly17
- standardly16
- stannaries12
- starboards14
- starbursts14
- starchiest15
- starfishes15
- starflower17
- starfruits14
- stargazers21
- stargazing24
- starlights15
- starstruck18
- starvation15
- starveling18
- stationary13
- statuaries11
- steelyards14
- stepparent17
- sternwards15
- stewardess14
- stewarding17
- stingarees13
- stockyards20
- stonewares14
- storyboard16
- streetcars13
- subarctics20
- subcellars19
- submarined19
- submariner18
- submarines18
- submarkets21
- subnuclear20
- subsidiary17
- subvariety20
- sugarberry18
- sugarcanes17
- sugarcoats16
- sugarhouse16
- sugarplums21
- summarised18
- summarises17
- summarized27
- summarizer26
- summarizes26
- superboard18
- supercargo19
- superfarms20
- superlarge17
- superlunar17
- supersharp19
- supersmart17
- superstars14
- suprarenal16
- surcharged19
- surcharges18
- surfboards18
- swarajists22
- swarthiest15
- swearwords17
- sweetbriar16
- sweetheart15
- switchyard21
- sybaritism18
- syncarpies19
- syncarpous20
- synkaryons20
- tablewares17
- tackboards21
- tailboards15
- talebearer14
- tamarillos15
- taradiddle14
- tarantases11
- tarantella13
- tarantisms14
- tarantulae13
- tarantulas13
- tarbooshes15
- tardigrade14
- targetable16
- tarmacadam20
- tarnations12
- tarnishing16
- tarpaulins16
- tarriances14
- tartnesses11
- teargassed13
- teargasses12
- tearjerker23
- tearstains11
- tentacular16
- termitaria13
- terrariums14
- tertiaries10
- testicular15
- tetrarchic18
- textuaries18
- thearchies17
- threadbare16
- thwartwise18
- titularies12
- touchmarks23
- tovariches19
- tovarishes16
- trabecular18
- tracheolar16
- trademarks18
- transpolar15
- treenwares14
- triangular15
- triarchies15
- trierarchs15
- trierarchy17
- trinocular16
- tripartite13
- tristearin11
- trochlears16
- tubercular19
- tularemias15
- tumultuary19
- turnaround15
- tutelaries12
- ultrarapid16
- ultraright16
- ultrasharp17
- ultrasmart15
- unapparent19
- unarguable19
- unarguably21
- unarrogant15
- unartistic15
- unbarbered19
- unbearable19
- unbearably21
- uncarpeted19
- uncharging22
- uncharming23
- unclearest16
- undeclared18
- undercards17
- underparts16
- unearthing17
- unenlarged17
- unfamiliar19
- unguarding19
- unilocular18
- unitarians13
- univariate16
- unlearning17
- unliterary15
- unmarrieds16
- unmilitary18
- unparented17
- unprepared19
- unremarked20
- unrewarded17
- unsalaried14
- unsanitary15
- unsnarling17
- unswearing18
- untowardly19
- unwariness16
- unwearable19
- uphoarding20
- upperparts20
- uproarious15
- upstarting17
- upwardness19
- urticarial15
- urticarias14
- uvarovites19
- vallecular21
- vaporwares20
- variations15