común, common.
comunicar, to communicate, make known.
comunicativo, -a, communicative, affable.
con, with, by, in.
conceder, to concede, grant, accord.
concesión, f., concession.
conciencia, f., conscience.
concluir, to conclude, finish, end matters, put an end to; hemos concluído, it's all over between us.
concluyamos, see concluir.
conducta, f., conduct.