cosiness

n [U]. cosy n cover to keep a teapot or boiled egg hot （茶壶、 煮熟的蛋的）保温罩.

corsair, corselet (also corslet), corset, cortege (also cortege), cortex, cortical, cortisol, cortisone, corundum, coruscate, coruscation, corvette, cos, cos (also cos), cosec, cosecant, coset, cosh, cosily, cosine, cosmetic, cosmetic surgery, cosmetically, cosmetician, cosmetics, cosmic, cosmic being, cosmic dust, cosmic rays, cosmogony, cosmologist, cosmology, cosmonaut, cosmopolitan, cosmopolitanism, cosmos, cosset, cost, cost accountant, cost clerk, cost benefit,