14 letters
- commensuration26
- commodiousness26
- communications29
- communitarians26
- communizations35
- compulsiveness30
- compulsivities29
- computerizable37
- computerphobes32
- computerphobia32
- computerphobic35
- conceptualised27
- conceptualises26
- conceptualisms29
- conceptualists26
- conceptualized36
- conceptualizer35
- conceptualizes35
- conclusiveness28
- concupiscences32
- conductibility29
- conductimetric29
- conductivities27
- conductometric29
- confabulations27
- configurations25
- confusednesses24
- conglomerateur25
- conglutinating26
- conglutination24
- congratulating25
- congratulation23
- congratulators22
- congratulatory24
- conjunctivitis36
- connubialities24
- conquistadores29
- consanguineous24
- constabularies23
- constituencies23
- constitutional21
- constitutively26
- constructional24
- constructively29
- constructivism29
- constructivist26
- consubstantial24
- consuetudinary24
- consultantship26
- contagiousness22
- contemptuously29
- conterminously26
- contextualized37
- contextualizes36
- contiguousness23
- continuousness22
- contradictious23
- contrapuntally27
- contrapuntists23
- contributively29
- contumaciously29
- contumeliously27
- convulsiveness29
- coquettishness30
- corruptibility27
- corruptionists22
- cotransduction24
- councillorship29
- counselorships25
- countabilities23
- counteractions23
- counterarguing25
- counterassault21
- counterattacks26
- counterbalance27
- counterbidding27
- counterchanged28
- counterchanges27
- countercharged27
- countercharges26
- counterchecked32
- counterclaimed27
- counterculture25
- countercurrent24
- counterdemands25
- counterefforts25
- counterexample33
- counterfactual27
- counterfeiters22
- counterfeiting25
- countermanding27
- countermarched28
- countermarches27
- countermeasure23
- counterordered21
- counterpickets29
- counterplayers25
- counterplotted24
- counterpointed24
- counterpoising25
- counterproject34
- counterprotest22
- counterpunched30
- counterpuncher29
- counterpunches29
- counterraiding23
- counterrallied22
- counterrallies21
- counterreforms25
- countershading25
- countersigning25
- countersinking27
- countersnipers23
- counterstained21
- counterstating22
- counterstepped26
- counterstreams22
- counterstrikes23
- counterstrokes23
- countertactics25
- counterterrors19
- counterthreats21
- counterthrusts22
- countervailing27
- counterweights26
- countinghouses25
- courageousness22
- covetousnesses23
- creatureliness20
- cruciverbalist29
- cruiserweights25
- culpablenesses27
- cumbersomeness28
- cumbrousnesses26
- cumulativeness28
- cumulonimbuses31
- cunnilinctuses26
- curvilinearity26
- custodianships25
- customizations31
- cyanobacterium30
- daguerreotyped24
- daguerreotypes23
- decamethoniums28
- deconstructing26
- deconstruction24
- deconstructive27
- deconstructors23
- decorousnesses20
- degranulations21
- dehumanization32
- delightfulness26
- deliquescences33
- delusivenesses22
- demisemiquaver35
- demultiplexers31
- denaturalizing30
- denticulations22
- denuclearizing33
- denumerability26
- depressurizing31
- desirousnesses17
- despiritualize29
- despitefulness24
- destructionist20
- deuteragonists19
- devolutionists22
- diamondiferous24
- diaphanousness23
- dicotyledonous24
- diminutiveness25
- disaccustoming28
- disambiguating27
- disambiguation25
- disarticulated21
- disarticulates20
- disburdenments25
- discombobulate29
- discontinuance25
- discountenance25
- discourageable25
- discouragement25
- discouragingly27
- discourteously23
- discursiveness24
- disdainfulness23
- disencumbering29
- disequilibrate29
- disequilibrium33
- disfigurements25
- disfurnishment26
- disgruntlement24
- disillusioning22
- disingenuously24
- disputatiously23
- disquantitying31
- disruptiveness24
- dissimilitudes21
- dissimulations21
- dissuasiveness21