9 letters
- objective28
- objectors24
- oblivions18
- obscenest16
- obscenity18
- obsession13
- obstetric15
- obstinate13
- obtesting15
- obviation17
- oilstones11
- ointments14
- onanistic14
- opticists15
- ostensive14
- ostinatos10
- outvoices17
- oviposits16
- ovotestes13
- ovotestis13
- petitions13
- pointiest13
- positions13
- positives16
- potstones13
- recisions13
- revisions14
- sanbenito14
- sanctions14
- scantiest13
- scientism16
- scientist13
- seditions11
- seicentos13
- semiotics15
- semitonic16
- sensation11
- sensitive14
- sentients11
- serotonin11
- shinbones16
- silicones14
- siltstone11
- skinniest15
- snobbiest16
- snoopiest13
- snootiest10
- snooziest19
- snottiest10
- snoutiest11
- societies12
- sonicates13
- sootiness10
- sortition10
- sostenuti11
- sostenuto11
- sovietism16
- spittoons13
- spooniest13
- stannites11
- steinboks17
- stibnites13
- stickiest16
- stictions13
- stilbites13
- stingiest12
- stinkiest14
- stockiest16
- stockinet17
- stoneboat13
- stoniness11
- subtonics17
- synovitis16
- syntonies13
- tacitness13
- taconites13
- tantivies14
- tectonics16
- tectonism16
- tenorists10
- tensities10
- teosintes10
- thionines13
- tinniness12
- tinstones11
- tombstone16
- topstones13
- tortoises9
- toxicoses19
- toxicosis19
- tretinoin11
- tricotine13
- unionises12
- unionists12
- vasotocin17
- vastities13
- venations15
- vesicants17
- vibriones17
- vibrioses16
- victories16
- viscosity18
- viscounts18
- visitants14
- vivisects20
- vocations17
- volitions15
- vorticist16
- vorticose16
- wittiness13