authorized shares vs authorized stock

authorized shares and authorized stock both are nouns.

Word	Noun	Adjective	Verb	Adverb
authorized shares	Yes	No	No	No
authorized stock	Yes	No	No	No

As nouns, authorized shares and authorized stock are synonyms defined as:

authorized shares and authorized stock: the maximum number of shares authorized under the terms of a corporation's articles of incorporation

Other synonyms of authorized shares include capital stock.

authorized shares (noun)	authorized stock (noun)
the maximum number of shares authorized under the terms of a corporation's articles of incorporation	the maximum number of shares authorized under the terms of a corporation's articles of incorporation