foster vs patronise

foster is an adjective but patronise is not an adjective.

Word	Noun	Adjective	Verb	Adverb
foster	No	Yes	Yes	No
patronise	No	No	Yes	No

As verbs, patronise is a hyponym of foster; that is, patronise is a word with a more specific, narrower meaning than foster:

Other hyponyms of foster include keep going, patronage, patronize, support, serve, serve well.

foster (adjective)	patronise (adjective)
providing or receiving nurture or parental care though not related by blood or legal ties

foster (verb)	patronise (verb)
help develop, help grow	be a regular customer or client of
promote the growth of	treat condescendingly
bring up under fosterage; of children	assume sponsorship of
	do one's shopping at; do business with; be a customer or client of