fosterage vs fostering

fosterage and fostering both are nouns.

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

As nouns, fosterage and fostering are synonyms defined as:

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

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

As nouns, fosterage and fostering are synonyms defined as:

fosterage and fostering: encouragement; aiding the development of something

fosterage (noun)	fostering (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