provenience vs rootage

provenience and rootage both are nouns.

Word	Noun	Adjective	Verb	Adverb
provenience	Yes	No	No	No
rootage	Yes	No	No	No

As nouns, rootage is a hypernym of provenience; that is, rootage is a word with a broader meaning than provenience:

provenience: where something originated or was nurtured in its early existence
rootage: the place where something begins, where it springs into being

Other hypernyms of provenience include beginning, origin, root, source.

provenience (noun)	rootage (noun)
where something originated or was nurtured in its early existence	the place where something begins, where it springs into being
	a developed system of roots
	fixedness by or as if by roots