proprietor vs proprietary

proprietor and proprietary both are nouns.

Word	Noun	Adjective	Verb	Adverb
proprietor	Yes	No	No	No
proprietary	Yes	Yes	No	No

proprietor (noun)	proprietary (noun)
(law) someone who owns (is legal possessor of) a business	an unincorporated business owned by a single person who is responsible for its liabilities and entitled to its profits

proprietor (adjective)	proprietary (adjective)
	protected by trademark or patent or copyright; made or produced or distributed by one having exclusive rights