economy of scale vs economy

economy of scale and economy both are nouns.

Word	Noun	Adjective	Verb	Adverb
economy of scale	Yes	No	No	No
economy	Yes	No	No	No

As nouns, economy is a hypernym of economy of scale; that is, economy is a word with a broader meaning than economy of scale:

economy of scale: the saving in cost of production that is due to mass production
economy: an act of economizing; reduction in cost

Other hypernyms of economy of scale include saving.

economy of scale (noun)	economy (noun)
the saving in cost of production that is due to mass production	an act of economizing; reduction in cost
	frugality in the expenditure of money or resources
	the efficient use of resources
	the system of production and distribution and consumption