Cogor, n. a chatter, trackling
Cogwrn, n. knob, crab
Còi, n. a peak; a sting; beard of corn; embryo
Colaeth, n. a nursing
Coledd, n. cherishing
Coleddiad, n. a cherishing
Coleddwr, n. cherisher
Coleddu, v. to cherish
Colfen, n. abough, branch
Coliog, a. having a sting