authorized stock vs authorized shares

authorized stock and authorized shares both are nouns.

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

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

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

Other synonyms of authorized stock include capital stock.

authorized stock (noun)	authorized shares (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