unfriendly vs scowling

unfriendly and scowling both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unfriendly	No	Yes	No	No
scowling	No	Yes	No	No

unfriendly (adjective)	scowling (adjective)
not disposed to friendship or friendliness	sullen or unfriendly in appearance
not easy to understand or use
very unfavorable to life or growth
not friendly