9 letters
- senescent14
- sensating13
- sensation11
- sentences14
- sententia11
- sentience14
- sentients11
- sentinels12
- setaceous13
- setenants11
- sincerest13
- sinecures14
- snakebite17
- sneakiest14
- snubbiest17
- sonicates13
- spacesuit16
- speciates15
- stannites11
- staunches16
- stearines10
- stilbenes14
- subagents16
- subcastes16
- subcenter17
- subjacent26
- subniches19
- substance17
- subtenant15
- subtonics17
- subtunics18
- succinate17
- suitcases13
- sunbathes16
- sunscreen15
- supinates14
- suricates13
- sustained12
- sustainer11
- tacitness13
- tackiness17
- taeniases10
- tangences16
- tanneries11
- tawniness14
- tenacious14
- tenancies14
- tendances15
- testacies12
- tetanises10
- tetanuses11
- thebaines15
- truancies14
- tubenoses14
- tunicates14
- unaptness15
- unceasing17
- uncertain15
- uncreates14
- uneasiest11
- unfastens15
- unfitness15
- unscented16
- unseating14
- unstained13
- unteaches16
- untenable16
- urbanises14
- urbanists14
- urbanites14
- venetians15
- vesicants17
- vesicates16