10 letters
- quatrefoil24
- quercitron24
- quixotries27
- rabbitries16
- racetracks20
- radiometry16
- rattletrap14
- redistrict14
- reentrance15
- reentrants12
- registrant13
- registrars12
- registries12
- rencontres15
- repatriate13
- restrained12
- restrainer11
- restraints11
- restressed11
- restresses10
- restricken18
- restricted14
- restriking17
- restriving17
- retracking20
- retractile14
- retracting16
- retraction14
- retractors13
- retraining14
- retransfer14
- retransmit14
- retreading14
- retreatant11
- retreaters10
- retreating13
- retrenched17
- retrenches16
- retrievals15
- retrievers14
- retrieving17
- retrimming19
- retroacted14
- retroceded15
- retrocedes14
- retrodicts14
- retrofired14
- retrofires13
- retrograde13
- retrogress12
- retropacks20
- retrospect16
- retroviral15
- retrovirus15
- rocketries17
- saddletree13
- sculptress18
- seamstress13
- seastrands12
- seductress15
- semestrial14
- semitropic19
- sempstress16
- sequestrum24
- shoestring15
- sidestream14
- sidestroke15
- sidetracks18
- singletree14
- sinistrous12
- sinoatrial12
- slipstream17
- sociometry18
- songstress13
- soundtrack20
- spectrally20
- spirometry18
- starstruck18
- strabismic19
- strabismus17
- straddlers13
- straddling16
- stragglers15
- stragglier15
- straggling18
- straighted15
- straighten15
- straighter14
- straightly17
- straitened12
- straitness11
- stramashes15
- stramonies14
- stramonium18
- strandline14
- strangered14
- stranglers14
- strangling17
- straphangs18
- strappados17
- strappings19
- stratagems15
- strategies12
- strategist12
- strategize21
- strathspey17
- stratified14
- stratifies13
- stratiform16
- stravaging19
- stravaiged17
- strawberry18
- streakiest14
- streakings17
- streambeds17
- streamiest13
- streamings16
- streamlets14
- streamline15
- streamside14
- streetcars13
- streetlamp17
- streetwise13
- strengthen16
- stressless11
- stretchers15
- stretchier15
- stretching18
- strewments17
- striations11
- strickling21
- strictness14
- strictures14
- stridences15
- stridently15
- stridulate13
- stridulous14
- strifeless14
- strikeouts15
- strikeover18
- strikingly20
- stringency19
- stringendo15
- stringhalt16
- stringiest13
- stringings16
- stringless14
- stripeless14
- striplings17
- strippable20
- striptease13
- strobotron14
- stroganoff19
- stronghold17
- strongyles16
- strontiums15
- stroppiest16
- stroudings15
- structural16
- structured16
- structures15
- strugglers16
- struggling19
- struthious14
- strychnine19
- subcentral19
- subentries15
- substrates14
- substratum18
- subtracted18
- subtracter17
- subtrahend18
- subtropics20
- sultriness13
- summitries17
- sunstrokes16
- sweltriest14
- symmetries18
- symmetrize27
- sympatries18
- tanistries11
- tapestried14
- tapestries13
- telemetric17
- tenantries12
- tetracaine14
- tetrachord16
- tetragonal14
- tetrahedra13
- tetrameric16
- tetrameter13
- tetraploid15
- tetrarchic18
- tetraspore13
- tetrazzini29
- tetroxides18
- theatrical16
- thixotropy24
- thyratrons15
- tightropes17