13 letters
- brittlenesses18
- bronchoscopes28
- brotherliness20
- brusquenesses28
- brutishnesses20
- buffalofishes29
- bullishnesses22
- bumptiousness25
- bureaucracies24
- bureaucratese21
- businesswoman25
- businesswomen25
- caddishnesses21
- calefactories23
- calligraphies25
- callousnesses20
- calorimetries20
- campanologies26
- candleberries22
- candlesnuffer27
- capablenesses24
- capaciousness24
- capercaillies24
- capercailzies32
- capillarities21
- caravansaries21
- carbohydrases24
- carbohydrates24
- cardinalities19
- cardiopathies22
- carefulnesses22
- carsicknesses24
- cartographies23
- castabilities20
- catholicities22
- ceaselessness18
- cellularities20
- chalcogenides26
- chalcopyrites27
- chancelleries24
- chancellories24
- changefulness27
- characterizes30
- characterless22
- charlatanries20
- cheerlessness20
- cheeseburgers24
- cheeseparings24
- chesterfields23
- chieftaincies25
- childlessness22
- childlikeness26
- chimneypieces30
- chirographies25
- chokecherries27
- chondriosomes23
- chorographies25
- chromatolyses24
- chromospheres26
- chronometries22
- cinematheques32
- circularities21
- circumcircles30
- circumscribes29
- circumstances27
- citricultures22
- clairvoyances27
- clamorousness22
- clandestinely23
- clandestinity22
- classlessness19
- cleanlinesses20
- cleistogamies22
- climatologies23
- clotheshorses21
- clotheslining24
- cloudlessness21
- codependences26
- coelenterates18
- coilabilities21
- colinearities18
- colleagueship26
- collectedness23
- collectivises25
- collectivizes34
- collieshangie23
- colorfastness21
- colorimetries20
- colorlessness19
- coltishnesses20
- combativeness27
- commonalities24
- communalities25
- communicatees27
- compactnesses26
- complacencies30
- complaisances27
- complexnesses31
- compressional24
- compressively29
- comradeliness22
- conceitedness22
- concelebrates24
- concertedness22
- concessionary23
- concessioners21
- concisenesses21
- concomitances27
- concrescences27
- concurrencies25
- condescending26
- condescension23
- conduciveness27
- conductresses22
- confederacies24
- confessionals22
- confidingness25
- confirmedness25
- conglomerates23
- conglutinates22
- congratulates21
- congressional21
- congresswoman26
- congresswomen26
- congruousness22
- conidiophores23
- conjugalities30
- conjugateness30
- connectedness23
- consciousness22
- conservancies25
- conservatives25
- conservatizes30
- considerables22
- consistencies21
- conspicuities24
- consultancies23
- containerises18
- containerizes27
- containerless19
- contemporizes32
- contentedness20
- contestations18
- contingencies24
- contraoctaves24
- contrarieties17
- controversies21
- convalescence29
- convalescents26
- conveniencies26
- convergencies27
- conversancies25
- convolvuluses29
- coparcenaries23
- copiousnesses21
- coplanarities21
- copolymerizes34
- coprocessings25
- cordialnesses19
- cordwaineries21
- coresearchers21
- coresidential19
- corespondents22
- corporalities20
- corporealness21
- correctitudes21
- correctnesses20
- correspondent22
- corresponding24
- corresponsive24
- corrosiveness21
- corruptnesses21
- cosignatories19
- cosmetologies22
- cosmographies26
- costivenesses21
- counterargues21
- counterforces24
- counterimages23
- counterpoises21
- counterstates18
- counterstyles21
- countertrades19
- courteousness19
- courtlinesses19
- crabbednesses24
- craniometries20
- credibilities21
- credulousness21
- crestfallenly25
- criminalities21
- criminologies23
- criticalities20
- crookednesses22
- crotchetiness22
- crowdednesses22
- crumblinesses25
- crunchinesses24
- cryobiologies24
- cryopreserved26