13 letters
- coadaptations21
- coastguardman24
- coastguardmen24
- codependences26
- codicological27
- codifiability26
- codifications24
- codiscoverers24
- codiscovering27
- coeducational23
- coldheartedly24
- collectedness23
- collectivised26
- collectivized35
- commandeering27
- commandership29
- commendations25
- compartmented27
- compendiously28
- complicatedly30
- comprehending29
- comradeliness22
- conceitedness22
- concelebrated25
- concertedness22
- condemnations23
- condensations20
- condescending26
- condescension23
- conditionable23
- conditionally23
- conduciveness27
- conductresses22
- condylomatous25
- confederacies24
- confederating24
- confederation22
- confederative25
- confidingness25
- confirmedness25
- confoundingly29
- conglomerated24
- conglutinated23
- congratulated22
- conidiophores23
- connectedness23
- conquistadors28
- conservatized31
- considerables22
- considerately21
- consideration19
- consolidating22
- consolidation20
- consolidators19
- constrainedly22
- containerised19
- containerized28
- contemporized33
- contentedness20
- contrabandist22
- contradicting24
- contradiction22
- contradictors21
- contradictory23
- coordinations19
- copolymerized35
- coproductions25
- cordialnesses19
- cordwaineries21
- coresidential19
- corespondents22
- correctitudes21
- correspondent22
- corresponding24
- cotransducing25
- cotransferred21
- cotransported21
- counterargued22
- counterbidden24
- counterdemand24
- counterfeited22
- countermanded24
- countermelody25
- counterorders19
- counterpoised22
- counterraided20
- countersigned22
- counterstated19
- countertrades19
- countertrends20
- countervailed24
- counterworlds23
- crabbednesses24
- creaturehoods20
- credentialing22
- credentialism22
- credentialled21
- credibilities21
- creditability23
- credulousness21
- crookednesses22
- crossbandings24
- crossbreeding23
- crowdednesses22
- cryopreserved26
- crystalloidal22
- custodianship24
- cycloaddition25
- cyclodextrins31
- cycloheximide35
- cylindrically28
- cysticercoids25
- dactylologies23
- daguerreotype22
- daguerreotypy24
- damageability25
- dandification23
- dangerousness19
- daredevilries20
- darlingnesses19
- dastardliness17
- daunorubicins24
- dauntlessness18
- deactivations22
- deathlessness18
- debilitations19
- decaffeinated25
- decaffeinates24
- decalcomanias25
- decamethonium27
- decapitations21
- decarbonating24
- decarbonation22
- decarbonizers30
- decarbonizing33
- decarboxylase30
- decarboxylate30
- decarburizing33
- decasyllabics27
- decasyllables25
- deceitfulness23
- decelerations19
- decentralized29
- decentralizes28
- deceptiveness25
- decerebrating23
- decerebration21
- dechlorinated22
- dechlorinates21
- decidednesses20
- deciduousness21
- decipherments26
- declaratively25
- declassifying26
- declinational21
- decommissions24
- decompensated25
- decompensates24
- decomposition24
- decompressing26
- decompression24
- deconcentrate22
- deconditioned21
- decongestants21
- decongestions21
- deconsecrated22
- deconsecrates21
- deconstructed23
- deconstructor22
- decontaminate22
- decontrolling23
- decorticating23
- decortication21
- decorticators20
- decrepitating23
- decrepitation21
- decriminalize31
- deductibility25
- deemphasizing34
- deescalations19
- defeasibility23
- defectiveness25
- defenestrated19
- defenestrates18
- defenselessly22
- defensibility24
- defensiveness23
- deferentially22
- defervescence28
- defibrillated23
- defibrillates22
- defibrillator22
- defibrinating24
- defibrination22
- deflagrations21
- deforestation18
- deformalizing33
- deformational22
- degenerations18
- deglaciations21