good will vs friendliness

good will and friendliness both are nouns.

Word	Noun	Adjective	Verb	Adverb
good will	Yes	No	No	No
friendliness	Yes	No	No	No

As nouns, friendliness is a hypernym of good will; that is, friendliness is a word with a broader meaning than good will:

good will: the friendly hope that something will succeed
friendliness: a feeling of liking for another person; enjoyment in their company

good will (noun)	friendliness (noun)
a disposition to kindness and compassion	a friendly disposition
the friendly hope that something will succeed	a feeling of liking for another person; enjoyment in their company
(accounting) an intangible asset valued according to the advantage or reputation a business has acquired (over and above its tangible assets)