fostering vs fosterage

fostering and fosterage both are nouns.

Word	Noun	Adjective	Verb	Adverb
fostering	Yes	No	No	No
fosterage	Yes	No	No	No

As nouns, fostering and fosterage are synonyms defined as:

fostering and fosterage: helping someone grow up to be an accepted member of the community

Other synonyms of fostering include breeding, bringing up, nurture, raising, rearing, upbringing.

As nouns, fostering and fosterage are synonyms defined as:

fostering and fosterage: encouragement; aiding the development of something

fostering (noun)	fosterage (noun)
helping someone grow up to be an accepted member of the community	helping someone grow up to be an accepted member of the community
encouragement; aiding the development of something	encouragement; aiding the development of something