Same word as caddy:

bag, baggage, basket, bin, box, cabinet, caddy, caisson, canister, capsule, carton, cartridge, casing, casket, chamber, chassis, chest, coffer, compact, cover, covering, crate, crating, crib, drawer, envelope, folder, grip, holder, integument, jacket, receptacle, safe, scabbard, sheath, shell, suitcase, tray, trunk, wallet, wrapper, wrapping