friendly vs friendliness

friendly and friendliness both are nouns.

Word	Noun	Adjective	Verb	Adverb
friendly	Yes	Yes	No	No
friendliness	Yes	No	No	No

friendly (noun)	friendliness (noun)
troops belonging to or allied with your own military forces	a friendly disposition
	a feeling of liking for another person; enjoyment in their company

friendly (adjective)	friendliness (adjective)
characteristic of or befitting a friend
of or belonging to your own country's forces or those of an ally
easy to understand or use
inclined to help or support; not antagonistic or hostile