15 letters
- corrosivenesses23
- corticosterones22
- counterbalances28
- countercultures26
- counterexamples34
- countermeasures24
- countermelodies25
- counterpressure24
- counterprotests23
- counterquestion31
- counterresponse24
- courteousnesses21
- crashworthiness26
- creditabilities23
- credulousnesses23
- crestfallenness25
- crotchetinesses24
- cryptozoologies35
- crystallinities23
- cultivabilities28
- customarinesses23
- cyproheptadines30
- cytochemistries28
- daguerreotypies24
- damageabilities25
- dangerousnesses21
- dastardlinesses19
- dauntlessnesses20
- deathlessnesses20
- deceitfulnesses25
- deceptivenesses27
- deciduousnesses23
- deductibilities25
- defeasibilities23
- defectivenesses27
- defenestrations21
- defenselessness22
- defensibilities24
- defensivenesses25
- delectabilities24
- deleteriousness19
- deliciousnesses22
- delightednesses23
- deliriousnesses19
- demandingnesses25
- dependabilities25
- desacralization30
- desalinizations28
- descriptiveness27
- desensitization27
- desertification23
- desexualization35
- desirablenesses21
- desperatenesses20
- despiritualized31
- despiritualizes30
- dessertspoonful25
- destabilization30
- destitutenesses18
- destructibility26
- destructionists21
- destructiveness25
- destructivities24
- desulfurization32
- desultorinesses19
- detachabilities25
- detectabilities23
- determinateness21
- deterrabilities20
- deuteranomalies22
- dexterousnesses25
- dichloroethanes25
- dichotomousness26
- dictatorialness21
- differentnesses24
- diffusivenesses28
- digestibilities22
- dimenhydrinates26
- dinitrobenzenes31
- dinoflagellates25
- disaccharidases25
- discombobulates30
- disconformities26
- discontinuances26
- discontinuities22
- discountenances26
- disenfranchises26
- disequilibrates30
- disestablishing25
- disgracefulness27
- disinfestations21
- disinheritances23
- disinterestedly21
- disparatenesses20
- disposabilities23
- disrespectfully30
- dissimilarities20
- dissolutenesses19
- distastefulness22
- distemperatures23
- distinctiveness25
- distressfulness22
- distrustfulness23
- domineeringness24
- doubtlessnesses22
- downheartedness24
- downrightnesses25
- dreamlessnesses21
- easygoingnesses23
- ecclesiasticism28
- ecclesiological29
- ecclesiologists25
- ecocatastrophes26
- ecophysiologies28
- effectivenesses29
- effectualnesses27
- efficaciousness29
- effortfulnesses27
- eggheadednesses24
- egocentricities24
- egregiousnesses21
- elaboratenesses20
- electroanalyses23
- electrodialyses23
- electrophoresed25
- electrophoreses24
- electrophoresis24
- emotionlessness21
- employabilities28
- endocrinologies24
- enjoyablenesses32
- enterocolitises20
- enterogastrones19
- enumerabilities24
- epizootiologies30
- equitablenesses30
- equivocalnesses34
- erroneousnesses18
- essentialnesses18
- esterifications22
- estimablenesses23
- everlastingness24
- evocativenesses27
- exaggeratedness28
- exceptionalness31
- excessivenesses30
- excitablenesses30
- excludabilities32
- exclusivenesses32
- excursivenesses31
- excusablenesses31
- execrablenesses30
- exemplarinesses30
- exhaustlessness27
- exothermicities30
- expandabilities31
- expansibilities30
- expansivenesses31
- expeditiousness28
- expendabilities31
- expensivenesses31
- explosivenesses31
- exportabilities29
- expressionistic29
- exquisitenesses33
- extendabilities28
- extensibilities27
- extensivenesses28
- extrudabilities28
- facetiousnesses23
- faithlessnesses22
- fanaticalnesses24
- fantasticalness24
- fashionableness26
- fatheadednesses23
- faultlessnesses22
- favorablenesses27
- featherstitches25
- feloniousnesses22
- fencelessnesses24
- ferociousnesses23
- ferromanganeses25
- fibrinopeptides29
- filterabilities23
- fissiparousness23
- flirtatiousness21
- floriferousness24
- foolhardinesses23
- foresightedness24
- forgetfulnesses26
- forgivingnesses28
- formidabilities26
- fortunatenesses21
- fractiousnesses23
- fragmentariness25
- frightfulnesses28
- frivolousnesses25
- fruitlessnesses21
- functionalities25
- garrulousnesses21