cordial

a.真诚的

copy, copy desk, copy-book, copy-cat, copy-typist, copy-writer, copyist, copyright, coquetry, coquette, coquettish, coquettishly, cor anglais, coracle, coral, coral island, coral reef, corbel, cord, cordage, cordiality, cordially, cordite, cordon, cordon bleu, corduroy, corduroy road, core, CORE (also Core), corgi, coriander, coring bit, Corinthian, cork, corkage, corked, corkscrew, corm, cormorant, corn,