donation vs benefaction

donation and benefaction both are nouns.

Word	Noun	Adjective	Verb	Adverb
donation	Yes	No	No	No
benefaction	Yes	No	No	No

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

donation: a voluntary gift (as of money or service or ideas) made to some worthwhile cause
benefaction: a contribution of money or assistance

Other hyponyms of donation include offering, political contribution, political donation.

donation (noun)	benefaction (noun)
act of giving in common with others for a common purpose especially to a charity	an act intending or showing kindness and good will
a voluntary gift (as of money or service or ideas) made to some worthwhile cause	a contribution of money or assistance