copious

adj. 丰富的，多产的

cooperate, cooperation, cooperative, coordinate, coordination, coordinator, coorperation, coot, cop, cop-out, copain, copartner, copartnership, cope, cope with, copeck (also kopeck), Copernican, copier, coping, coping-stone, copiously, copper, copper beech, copper-bottomed, copperhead, copperplate, coppice, copra, copse, Copt, Coptic, copula, copulate, copulation, copulative, copy, copy desk, copy-book, copy-cat, copy-typist,