sponsor vs patronize

sponsor is a noun but patronize is not a noun.

Word	Noun	Adjective	Verb	Adverb
sponsor	Yes	No	Yes	No
patronize	No	No	Yes	No

As verbs, sponsor and patronize are synonyms defined as:

Other synonyms of sponsor include patronise.

As verbs, sponsor and patronize are synonyms defined as:

sponsor and patronize: do one's shopping at; do business with; be a customer or client of

Other synonyms of sponsor include buy at, frequent, patronise, shop, shop at.

sponsor (noun)	patronize (noun)
someone who supports or champions something
an advocate who presents a person (as for an award or a degree or an introduction etc.)

sponsor (verb)	patronize (verb)
assume sponsorship of	be a regular customer or client of
assume responsibility for or leadership of	treat condescendingly
do one's shopping at; do business with; be a customer or client of	assume sponsorship of
	do one's shopping at; do business with; be a customer or client of