camomile (also chamomile)

n [U] (a) sweet-smelling plant with daisy-like flowers 春黄菊（一种有香味的植物, 花状如雏菊）. (b) its dried leaves and flowers used in medicine as a tonic 春黄菊（其乾叶及花可作补药）.

calve, calves, Calvinism, Calvinist, calypso, calyx, cam, camaraderie, camber, cambric, Cambridge, camcorder, came, camel, camel-hair (also camel's-hair), camellia, Camembert, cameo, camera, cameraman, camouflage, camp, camp meeting, camp-bed (US campcot), camp-fire, camp-follower, campaign, campanile, campanologist, campanology, campfire, camphor, camphorated, camping, campsite (also camping-site), campus, CAMRA (also Camra), camshaft, can, can do with,