scowling vs unfriendly

scowling and unfriendly both are adjectives.

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

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