rootage vs birthplace

rootage and birthplace both are nouns.

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

As nouns, birthplace is a hyponym of rootage; that is, birthplace is a word with a more specific, narrower meaning than rootage:

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

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