14 letters
- balkanizations33
- barbarizations30
- bastardization28
- beatifications24
- beautification25
- beneficiations25
- biconditionals24
- binocularities23
- biodegradation22
- biodiversities22
- biogenetically27
- biomathematics28
- bioremediation22
- biostatistical21
- biosystematics25
- biosystematist22
- bipartisanisms24
- bipartisanship26
- bipolarization31
- bituminization32
- blaxploitation30
- bloodthirstily24
- bowdlerization32
- bromocriptines27
- bronchospastic29
- brushabilities24
- brutalizations29
- bureaucratised23
- bureaucratises22
- bureaucratisms25
- bureaucratized32
- bureaucratizes31
- calcifications28
- capitalization31
- caprifications27
- captiousnesses22
- carbonizations31
- carbonylations25
- carboxylations31
- carburizations31
- cartelizations28
- catachrestical26
- cataleptically28
- catechizations32
- categorization29
- cauterizations28
- cautiousnesses20
- centralization29
- centrifugation25
- cephalizations33
- certifications24
- channelization32
- characteristic25
- chemisorptions26
- chemoreception29
- chemoreceptive32
- chemosynthetic30
- chromaticities25
- churchianities26
- cicatrizations30
- cinquecentisti32
- cinquecentists32
- circumlocution30
- circumspection31
- circumstantial26
- circumventions30
- circumvolution31
- civilizational33
- clarifications25
- classicalities22
- classification25
- cleanabilities23
- coalifications25
- cocainizations31
- cocultivations27
- coevolutionary26
- coinvestigator24
- collaborations23
- collaboratives26
- collectivising29
- collectivistic29
- collectivities26
- collectivizing38
- collegialities22
- collinearities20
- coloristically25
- combustibility30
- commemorations27
- commemoratives30
- commensuration26
- commiserations24
- communications29
- communizations35
- comparativists27
- compartmenting30
- compatibleness28
- compensational26
- complementizer37
- compulsivities29
- concatenations23
- concelebrating28
- concelebration26
- concentrations23
- concretization31
- condensational22
- conditionality23
- conductibility29
- conductimetric29
- conductivities27
- confabulations27
- confederations23
- confidentially27
- configurations25
- confirmational26
- conflagrations25
- conformational26
- confrontations23
- congenialities22
- conglomerating27
- conglomeration25
- conglomerative28
- conglutinating26
- conglutination24
- congratulating25
- congratulation23
- congregational24
- conjunctivitis36
- connectivities26
- connubialities24
- conservational24
- conservatively29
- conservatizing34
- considerations20
- consociational23
- consolidations21
- conspirational23
- constellations21
- consternations20
- constituencies23
- constitutional21
- constitutively26
- constructional24
- constructively29
- constructivism29
- constructivist26
- consubstantial24
- contaminations23
- contemplations26
- contemplatives29
- contiguousness23
- continuousness22
- contortionists19
- contraceptions25
- contraceptives28
- contractionary24
- contradictions23
- contradictious23
- contraposition22
- contrapositive25
- contrapuntists23
- contraventions24
- contributively29
- controvertible26
- conventionally28
- conventioneers24
- conversational24
- convertibility28
- convertiplanes27
- convivialities27
- cooperationist21
- coprosperities23
- coquettishness30
- cornifications25
- corporativisms27
- corporealities21
- corroborations21
- corruptibility27
- corruptionists22
- corticosteroid21
- corticosterone21
- corticotrophin26
- corticotropins24
- cosmopolitisms27
- cotransduction24
- cotransporting24
- countabilities23
- counteractions23
- counterfeiting25
- counterstating22
- countertactics25
- countinghouses25
- creativenesses22
- credentialisms23
- credentialling24
- criminalistics25
- criticalnesses22
- crossabilities21
- cryoprotective29
- cumulativeness28
- customizations31