coordinating

copulating

corelating

coronating

corotating

correlating

corroborating

corrugating

coruscating

crating

creatin

creatine

creatines

creating

creatinine

creatinines

creatins

cremating

crepitating

criminating

culminating

cultivating

cumulating

curating

dating

datings

deactivating

deaerating

deaminating

debating

debilitating

decapitating

decarbonating

decarboxylating

decelerating

decerebrating

dechlorinating

decimating

decollating

decompensating

deconcentrating

deconsecrating

decontaminating

decorating

decorticating

decrepitating

decussating

dedicating

defalcating

defeating