13 letters
- cryosurgeries21
- curarizations27
- curiousnesses19
- cursorinesses18
- customariness21
- cyanobacteria25
- cyclodextrins31
- cyclosporines26
- cylindrically28
- daredevilries20
- decarburizing33
- dechlorinated22
- dechlorinates21
- decriminalize31
- defibrillated23
- defibrillates22
- defibrillator22
- defibrinating24
- defibrination22
- deglamorizing32
- degringolades21
- deleteriously19
- deliriousness17
- demagogueries22
- dematerialize27
- demilitarized28
- demilitarizes27
- densitometric21
- denuclearized30
- denuclearizes29
- deodorization25
- depolymerized33
- depolymerizes32
- deprecatorily23
- depressurized28
- depressurizes27
- descriptively27
- desulfurizing32
- desultoriness17
- deteriorating17
- deterioration15
- deteriorative18
- detribalizing30
- detrimentally22
- diametrically24
- dictatorially21
- dilatometries18
- dimerizations27
- dingleberries21
- disaccharides23
- discriminable25
- discriminably27
- discriminants22
- discriminated22
- discriminates21
- discriminator21
- disequilibria28
- disinheriting20
- disorientated16
- disorientates15
- dissimilarity20
- dissymmetries22
- distributions19
- divarications22
- doctrinairism21
- documentarian23
- documentaries22
- documentarily25
- documentarist22
- domineeringly24
- downrightness23
- drivabilities22
- dumortierites18
- dynamometries23
- eccentrically27
- econometrists20
- ecoterrorisms19
- ecoterrorists16
- editorialists15
- editorialized25
- editorializer24
- editorializes24
- egocentricity24
- electricities20
- embrittlement24
- endocrinology24
- endometrioses18
- endometriosis18
- enregistering19
- enshrinements21
- equalitarians25
- equestriennes25
- equilibristic30
- etherizations25
- ethnocentrism23
- ethnohistoric21
- exemplariness28
- exemplarities27
- expatriations24
- expatriatisms26
- experimenters27
- experimenting30
- explanatorily28
- expropriating29
- expropriation27
- expropriators26
- expurgatorial27
- extemporarily29
- extemporising29
- extemporizers35
- extemporizing38
- exteriorising23
- exteriorities20
- exteriorizing32
- exterritorial21
- extrinsically28
- factorization29
- familiarising23
- familiarities20
- familiarizing32
- farkleberries24
- fellmongeries24
- fellmongering27
- ferricyanides23
- ferrimagnetic25
- ferroelectric23
- fiberizations29
- fibrillations22
- fibrinolysins24
- fictioneering23
- fieldstripped25
- filibustering24
- fingerprinted24
- floricultural24
- floricultures23
- floristically24
- flourishingly26
- flowerinesses21
- fluoridations20
- fluorimetries21
- fluorinations20
- fluorometries21
- foregathering23
- formularizers30
- formularizing33
- fragmentarily25
- freemasonries20
- frighteningly27
- frightfulness26
- frivolousness23
- functionaries22
- futilitarians19
- gallimaufries24
- galvanometric27
- genericnesses20
- genitourinary20
- geometrically25
- geometricians22
- geriatricians19
- gimcrackeries28
- glamorization29
- glaringnesses20
- glasspapering25
- glorification23
- glycerinating25
- granodiorites17
- granodioritic20
- granularities18
- griseofulvins25
- gristlinesses17
- grossularites17
- grotesqueries25
- gubernatorial21
- handwringings26
- haphazardries30
- headshrinkers23
- helicoptering25
- hemispherical27
- hereditarians17
- herringboning25
- heterospories18
- heuristically23
- hilariousness18
- historicities18
- historicizing30
- homopolymeric30
- honorifically26
- horizontality28
- housewiferies22
- huckleberries27
- humanitarians21
- hurriednesses18
- hybridization31
- hydrochloride25
- hydroelectric25
- hypercritical27
- hyperimmunize37
- hyperinflated26
- hypermetrical27
- hyperpolarize33