10 letters
- obtuseness15
- octameters16
- oratresses10
- orientates11
- ornateness12
- ornithoses13
- orthotists12
- osmometers16
- ostensoria11
- osteopaths15
- otherguess15
- otioseness11
- outcrosses14
- outdresses12
- outercoats14
- outgrosses13
- outhomered17
- outmarches19
- outmatches19
- outpresses14
- outreaches16
- outschemes19
- outsmarted15
- outstarted12
- outstation12
- outstretch16
- outthrusts14
- overstates14
- peashooter15
- penthouses17
- personates14
- pesthouses16
- pheromones19
- photometer18
- photostats15
- poetasters13
- poornesses14
- porousness15
- portamento17
- portentous15
- posthastes15
- postmaster16
- postseason14
- potentates14
- pothunters17
- potometers16
- poussettes14
- preseasons14
- prostheses15
- protestant14
- protohuman20
- protonates14
- quartettes20
- raptnesses14
- rashnesses13
- reasonless12
- reattempts16
- reinstates11
- remoistens14
- remoteness14
- resistants11
- resmoothed16
- resolutest12
- resonators11
- restitutes11
- resultants13
- roadhouses14
- robustness15
- rootedness12
- rosebushes16
- rotameters13
- rottenness12
- rousements15
- salesrooms14
- salometers14
- sandstorms15
- sarcosomes16
- saturnisms15
- saunterers12
- seamstress13
- semaphores18
- senhoritas13
- sensoriums15
- sermonette14
- serotinous12
- sestertium14
- shampooers18
- shoemakers19
- shogunates16
- shorteners13
- shortstops15
- smatterers13
- smokehouse20
- smoothened17
- smoothness16
- smuttiness15
- snakeroots15
- snowshoers16
- snowstorms17
- soapstones14
- solonetses12
- somberness17
- somersault15
- soothsayer14
- sostenutos12
- soubrettes14
- sournesses12
- sousaphone17
- southeasts13
- southerner14
- southwests16
- squareness21
- statehoods13
- statehouse13
- statements14
- staterooms13
- stationers11
- statuettes11
- staunchest17
- steakhouse17
- steaminess14
- stegosaurs13
- stenotherm16
- stepmother18
- sternposts14
- stertorous11
- stomachers18
- stoneboats14
- stonechats16
- stonemason15
- stonewares14
- stoneworts14
- storehouse13
- storminess14
- straitness11
- stramashes15
- stramonies14
- streamiest13
- streamlets14
- strewments17
- strontiums15
- studhorses14
- stutterers11
- substrates14
- sunbathers17
- sunstrokes16
- superheats16
- superstate14
- sustainers12
- synthetase15
- tachometer18
- tamenesses14
- tarbooshes15
- tartnesses11
- tautnesses12
- tenesmuses15
- tenotomies14
- tenterhook17
- teratogens13
- terminates14
- terminuses15
- tesseracts13
- tessituras11
- testaceous14
- testaments14
- thanatoses13
- theonomies16
- theonomous17
- thereabout16
- thermosets15
- thermostat15
- threesomes15
- throatiest12
- thromboses18
- titanesses11
- toadstones12
- tombstones17
- tonometers14
- toothpaste15
- tormenters14
- tormentors14
- touchstone17
- tournament16
- townhouses17
- transfuses15
- transmuted16
- transmutes15
- transposes14
- trashiness13
- treasonous12
- treatments14
- trehaloses13
- trematodes14
- tremendous16
- treponemas17
- trimnesses14
- trousseaus12
- truenesses12
- trustiness12
- tunesmiths17