scowl vs lower

scowl and lower both are nouns.

Word	Noun	Adjective	Verb	Adverb
scowl	Yes	No	Yes	No
lower	Yes	Yes	Yes	No

As verbs, lower is a hypernym of scowl; that is, lower is a word with a broader meaning than scowl:

scowl: frown with displeasure
lower: look angry or sullen, wrinkle one's forehead, as if to signal disapproval

Other hypernyms of scowl include frown, glower, lour.

scowl (noun)	lower (noun)
a facial expression of dislike or displeasure	the lower of two berths

scowl (adjective)	lower (adjective)
	the bottom one of two

scowl (verb)	lower (verb)
frown with displeasure	make lower or quieter
	set lower
	cause to drop or sink
	move something or somebody to a lower position
	look angry or sullen, wrinkle one's forehead, as if to signal disapproval