provision vs provisionary

provision is a noun but provisionary is not a noun.

Word	Noun	Adjective	Verb	Adverb
provision	Yes	No	Yes	No
provisionary	No	Yes	No	No

provision (noun)	provisionary (noun)
the activity of supplying or providing something
the cognitive process of thinking about what you will do in the event of something happening
a stipulated condition
a store or supply of something (especially of food or clothing or arms)

provision (adjective)	provisionary (adjective)
	under terms not final or fully worked out or agreed upon

provision (verb)	provisionary (verb)
supply with provisions