is a specific kind of: capacity measure, capacity unit, cubage unit, cubature unit, cubic content unit, cubic measure, displacement unit, volume unit | metric, metric unit.

is a broader term that covers: cubic millimeter, cubic millimetre | cc, cubic centimeter, cubic centimetre, mil, milliliter, millilitre, ml | centiliter, centilitre, cl | deciliter, decilitre, dl | cubic decimeter, cubic decimetre, l, liter, litre | dal, decaliter, decalitre, dekaliter, dekalitre, dkl | hectoliter, hectolitre, hl | cubic meter, cubic metre, kiloliter, kilolitre | cubic kilometer, cubic kilometre.