cousin

n.堂(表)弟，堂(表)姐妹；同种同族

course, coursing, court, court martial, court of law, court order, court-card, court-house, court-martial, courteous, courteously, courtesan, courtesy, courtesy title, courtier, courtliness, courtly, courtroom, courtship, courtyard, cousinly, couture, couturier, cove, coven, covenant, Coventry, cover, cover charge, cover girl, cover note, cover over, cover up, cover-up, coverage, coveralls, covered, covered wagon, covering, covering letter,