commutating

compensating

compleating

complicating

concatenating

concelebrating

concentrating

conciliating

confabulating

confiscating

conflating

conglobating

conglomerating

conglutinating

congratulating

congregating

conjugating

consecrating

consociating

consolidating

constellating

consternating

constipating

consummating

contaminating

contemplating

conversating

cooperating

coordinating

copulating

corelating

coronating

corotating

correlating

corroborating

corrugating

coruscating

crating

creating

cremating

crepitating

criminating

culminating

cultivating

cumulating

curating

dating

datings

deactivating

deaerating