11 letters
- interregnum19
- intersperse15
- interstrain13
- interstrand14
- interurbans17
- interveners17
- invernesses17
- iratenesses12
- ironmasters15
- irredentism16
- irredentist13
- itineraries12
- jardinieres22
- laundresses15
- learnedness15
- limitedness17
- luridnesses15
- maintainers16
- maneuverers20
- manginesses18
- manicurists19
- manifesters18
- manlinesses17
- manneristic19
- mansuetudes18
- marguerites17
- marqueterie24
- marquetries24
- martensites15
- masterminds19
- maternities15
- mateynesses17
- measureless16
- measurement19
- meatinesses15
- mediastinum20
- mediatrices18
- mediatrixes22
- meitneriums19
- mendacities19
- menservants20
- menstruated17
- menstruates16
- mensuration17
- meperidines19
- mercenaries18
- merrinesses15
- mesenteries15
- metagenesis17
- metestruses15
- methedrines18
- minaudieres17
- mineralised17
- mineralises16
- minestrones16
- ministrants16
- miseducates19
- misentering18
- miserliness16
- misinferred19
- misinterred16
- misoriented16
- misregister16
- misrendered17
- missteering17
- mistinesses15
- modernities16
- moisturised16
- moisturises15
- monasteries15
- mountaineer17
- muddinesses18
- mundaneness19
- mundanities18
- murderesses16
- murkinesses20
- mustinesses16
- mutageneses18
- mutagenesis18
- mutineering19
- naivenesses17
- nakednesses18
- nastinesses13
- natriureses13
- natriuresis13
- nattinesses13
- necessaries15
- necessities15
- needinesses14
- nematicides19
- nervinesses17
- neutralised15
- neutralises14
- neutralisms17
- neutralness15
- newsreaders16
- nitrosamine16
- nonadmirers17
- notednesses14
- numerations17
- nuttinesses14
- ordainments17
- ordinariest13
- pantdresses16
- pasteurised16
- pasteurises15
- patisseries14
- pederasties15
- pedestrians16
- pentamidine20
- praemunires19
- praesidiums19
- predestines16
- premeasured19
- premeasures18
- presentisms18
- presentness16
- pressurised16
- prestressed15
- primenesses18
- prussianise16
- puritanisms19
- quietnesses22
- rabidnesses16
- radiometers15
- ranginesses15
- rapidnesses16
- readdresses13
- readinesses13
- readmission16
- rearguments18
- reasserting14
- reassertion12
- recriminate18
- redetermine16
- reedinesses13
- reemissions15
- reentrances16
- reestimated15
- reestimates14
- referendums20
- refinements19
- refrainment19
- reinnervate17
- reinserting15
- reinsertion13
- reinsurance17
- relatedness14
- remaindered17
- remastering17
- remeasuring18
- remediating18
- remediation16
- reminiscent19
- reminiscers18
- remoistened16
- remunerated17
- remunerates16
- renitencies16
- renominated17
- renominates16
- renunciates17
- requirement25
- rereminding19
- rescindment20
- resensitize21
- resentments16
- residencies16
- residential14
- resistances15
- restiveness16
- restrainers12
- restraining15
- restressing14
- retiredness13
- retirements15
- retransmits15
- reunionists14
- rigidnesses15
- rinderpests16
- ringmasters17
- ritzinesses21
- rotisseries11
- roundnesses15
- ruddinesses15
- rudimentary19
- ruminations17
- runtinesses14
- rustinesses13
- saintliness14
- sandinesses14
- sanitariums16
- sanitoriums16
- scrutineers16
- scrutinised17
- scrutinises16
- seaminesses15
- secretaries14
- securements19
- sedimentary18