9 letters
- notarizes19
- notations11
- novations15
- novocaine18
- oblations14
- observant17
- observing19
- obstinate13
- obtainers13
- obtrusion14
- obtrusive17
- obverting19
- obviation17
- obviators16
- omnivores17
- operatics15
- operating15
- operation13
- operative16
- operators12
- opponents17
- optatives16
- optionals14
- optionees13
- orangiest12
- oratories9
- ordinates11
- orientals11
- ornaments14
- orpiments16
- outbraves17
- ovarioles14
- ovenbirds18
- overbeats16
- overbites16
- overboils17
- overcoats16
- overplans18
- overplant18
- overplots17
- overprint17
- overslipt17
- overspent17
- overspins17
- overtoils14
- overtones14
- overtrain14
- oviparous17
- panbroils17
- panettoni14
- pantheons16
- parenting16
- parotoids13
- parvolins18
- pastoring15
- patentors13
- patooties12
- patroness13
- patronise13
- patronize22
- pecorinos16
- penpoints17
- pensioner14
- pentagons16
- pentanols15
- pentosans14
- perianths15
- periostea12
- peritonea13
- personate13
- pervasion17
- phonation16
- picaroons16
- pinafores16
- pinasters13
- pinkroots17
- pintadoes14
- pistareen13
- pivotable20
- pliotrons14
- poisoners13
- polonaise14
- ponderosa14
- portables16
- portances16
- portative16
- porticoes15
- portioned14
- positiver16
- positrons13
- posterior12
- postponer16
- potations13
- potboiler16
- poverties16
- powerboat18
- predation14
- prenomina17
- prenotion14
- pretorian13
- pretrains13
- preunions15
- prevision17
- printable17
- priorates12
- pristanes13
- privatest16
- privation17
- privatise16
- proactive19
- probating18
- probation16
- probative19
- probities15
- procaines16
- progestin15
- prominent17
- promotive19
- pronating16
- pronation14
- pronators13
- proponent17
- proration13
- proscenia16
- prostomia15
- protamine16
- protamins16
- protistan13
- protonate13
- protonema16
- provident18
- provinces20
- provision17
- provisoes16
- ptomaines16
- pyronines16
- rainspout14
- ratooners10
- ratooning13
- ravenings17
- ravigotes15
- reactions13
- reanoints11
- reappoint16
- reasoning13
- rebaptism18
- rebooting15
- reinvents15
- relations11
- remotions13
- renovates14
- renovator14
- reobtains13
- repasting15
- resonants11
- resonator10
- revenants15
- ringbones16
- riverboat16
- roborants13
- robotizes21
- robotries12
- rogations12
- rotations10
- rotenones11
- sanbenito14
- sapogenin16
- saponines14
- saponites13
- saprolite13
- saturnine12
- savoriest13
- searobins13
- senhorita12
- senoritas10
- sensation11
- serotinal11
- serotonin11
- serration10
- shipborne18
- snakeroot14
- snoopiest13
- soapstone13
- soilborne14
- solvation15
- sonorants11
- sopranino14
- sorptions13
- sparteine13
- spearmint16
- spinnaker18
- spinneret14
- spoliator13
- spooniest13
- stationer10
- stoneboat13
- stonecrop16
- stopovers16
- strobilae13
- supernova18