catnip

n [U] = catmint.

catering, caterpillar, caterwaul, catfish, catgut, Cath, catharsis, cathartic, cathedral, Catherine wheel, catheter, catheterize, -ise, cathode, cathode ray, Catholic, Catholicism, catholicity, catkin, catmint, catnap, cats-paw, catsuit, catsup, cattily, cattiness, cattle, cattle-cake, cattle-grid, catty, catwalk, Caucasian, caucus, caught, caul, cauldron (also caldron), cauliflower, cauliflower cheese, cauliflower ear, caulk, caulk (also esp US calk),