10 letters
- nonswimmer21
- normalises15
- noseguards15
- nosologies14
- numerating18
- numeration16
- numinouses17
- nursemaids16
- oesophagus18
- oleaginous15
- omniranges17
- omnivorous19
- omophagies20
- operagoing18
- operations14
- oppressing19
- oppression17
- organisers13
- organzines23
- orogenesis13
- ostensoria11
- outearning15
- outpassing17
- outpromise17
- outsnoring15
- outsoaring14
- pangenesis17
- pantomimes20
- parentings17
- paronymous20
- parsonages16
- patronises14
- pauperisms20
- peninsular17
- peninsulas17
- pensionary17
- pensioners15
- percussing20
- percussion18
- perfusions18
- perigynous19
- permission17
- persimmons20
- personages16
- persuading18
- persuasion15
- pervasions18
- phonograms21
- pingrasses16
- plainsongs18
- pleasuring18
- plesiosaur15
- pneumonias19
- pogromists18
- poignances20
- poisonings17
- polemonium22
- polonaises15
- pomologies19
- ponderosas15
- poorhouses16
- porousness15
- posologies16
- posturings17
- praenomens18
- praenomina18
- preassigns16
- prelusions16
- prenotions15
- presoaking20
- pressuring17
- processing19
- procession17
- professing19
- profession17
- profusions18
- progestins16
- prognosing19
- programmes21
- prolamines18
- prolusions16
- promotions17
- pronations15
- pronominal19
- pronounces19
- proscenium21
- proseminar17
- prosimians17
- prostomium20
- protamines17
- purgations17
- rainspouts15
- rampageous19
- randomness16
- rearousing14
- reasonings14
- reassuming17
- reassuring14
- reimposing19
- remounting18
- reopenings17
- reopposing19
- repulsions16
- resampling20
- resonating14
- resounding16
- responding18
- restamping19
- resumption18
- romanising17
- rosemaling17
- sandgrouse15
- sapogenins17
- saprogenic19
- sauntering15
- scammonies20
- scampering22
- scrimmages21
- scrummages22
- seaborgium19
- seasonings14
- seismogram18
- semigroups19
- seminomads18
- sensoriums15
- serotinous12
- serotonins12
- shampooers18
- shampooing21
- sharpening19
- signatures14
- signorinas14
- sinologues15
- smarminess17
- smartening17
- snookering18
- sociograms18
- sojourning24
- sophomores18
- sopraninos15
- sousaphone17
- spearmints17
- spermatium20
- spinnakers19
- sponginess17
- sponsorial15
- sponsoring17
- spoonerism17
- sporangium20
- sporogenic19
- sporogonia16
- sporogonic19
- sporozoans23
- stammering19
- stonemason15
- stramonies14
- stramonium18
- streamings16
- submarines18
- submersing20
- submersion18
- subpenaing21
- subregions17
- summarised18
- summarises17
- summarizes26
- summations18
- summerlong21
- summonsing21
- supergiant17
- superminds19
- superminis18
- supernovas19
- supersonic18
- superwoman21
- supinators15
- surceasing17
- surpassing17
- suspending19
- suspension16
- transposon15
- treasonous12
- unassigned16
- unassuming19
- unbosoming21
- uncommoner22
- uncrossing18
- underspins17
- undressing16
- unfairness16
- unimposing21
- unpleasing19
- unripeness16
- unspeaking22
- unsphering20
- unswearing18
- unwariness16
- urokinases16
- uroscopies17