10 letters
- octonaries14
- ocularists15
- orchitises15
- organicist16
- orientates11
- originates13
- ostensoria11
- ostracised14
- ostracises13
- ostracizes22
- outercoats14
- outraising14
- outsprints15
- outstaring14
- outstrides12
- parasitise13
- partitions14
- passionate14
- pastorates13
- patricians17
- patriciate16
- patristics16
- patronises14
- percussion18
- pernicious18
- persuasion15
- poinsettia14
- precaution18
- precisians17
- precisions17
- prosciutti17
- protistans14
- proustites14
- psittacine17
- psoriatics16
- quantities21
- quittances24
- racialists14
- raconteurs15
- radiancies15
- radiations12
- rainspouts15
- ramosities13
- rapacities16
- rationales12
- raunchiest17
- reacquaint24
- recitalist14
- recitation14
- recitativo17
- reclusions16
- recontacts17
- recursions15
- redactions15
- rediscount16
- reductants16
- reductions16
- refutation15
- reinstates11
- relictions15
- reputation15
- rescission14
- resections14
- resistance14
- resistants11
- resittings13
- restaurant12
- restraints11
- resultants13
- retinacula16
- retraction14
- reunionist13
- rheostatic15
- rickettsia17
- ritualists12
- routinizes21
- rugosities13
- ruinations13
- russetting14
- rusticated15
- rusticates14
- rusticator14
- sacahuiste16
- sacraments17
- sacristans14
- sacristies13
- sacrosanct17
- sagacities15
- saintliest12
- salacities14
- saltations12
- salutation13
- sanatorium15
- sanctifier17
- sanctifies17
- sanctities14
- sanitaries11
- sanitarium15
- sanitation12
- sanitorium15
- satiations11
- saturating14
- saturation12
- saturators11
- saturniids13
- sauceboats17
- savouriest15
- scarcities16
- scattergun17
- scattering16
- scenarists14
- scientists14
- sclerotins15
- scrawniest17
- scrutinies15
- scrutinise15
- scrutinize24
- scuttering17
- secretions14
- sectarians14
- sectionals15
- secularist15
- securities14
- seductions16
- seminarist14
- senatorial12
- senatorian12
- senhoritas13
- separation14
- separatist13
- serotinous12
- serrations11
- signatures14
- siltations12
- sinistrous12
- sinoatrial12
- situations12
- snatchiest16
- socialites14
- solicitant15
- solitaires11
- solitaries11
- sonorities11
- sortitions11
- sovranties15
- speciation17
- spectators16
- squintiest21
- staircases13
- stannaries12
- starchiest15
- starvation15
- stationary13
- stationers11
- stationery13
- statuaries11
- staunchest17
- staurolite12
- stentorian12
- sterilants12
- stirabouts14
- stockinets18
- stonechats16
- straitness11
- stramonies14
- stratifies13
- striations11
- strictness14
- strictures14
- strikeouts15
- stringiest13
- strontiums15
- subsection18
- substation15
- succinates18
- suctorians15
- sudatories12
- sugarcanes17
- sugarcoats16
- sultanates13
- supersonic18
- supertonic18
- supinators15
- surceasing17
- surfactant18
- surjection24
- sustainers12
- syncretist16
- tacticians17
- tanistries11
- tantalises12
- tantaluses13
- tarantases11
- tarantisms14
- tarnations12
- tarriances14
- tautomeric17
- tearstains11
- tectonisms17
- tenacities14