menace vs peril

menace and peril both are nouns.

Word	Noun	Adjective	Verb	Adverb
menace	Yes	No	Yes	No
peril	Yes	No	Yes	No

As verbs, menace and peril are synonyms defined as:

Other synonyms of menace include endanger, imperil, jeopardise, jeopardize, threaten.

menace (noun)	peril (noun)
a threat or the act of threatening	a venture undertaken without regard to possible loss or injury
something that is a source of danger	a source of danger; a possibility of incurring loss or misfortune
	a state of danger involving risk

menace (verb)	peril (verb)
act in a threatening manner	put in a dangerous, disadvantageous, or difficult position
express a threat either by an utterance or a gesture	pose a threat to; present a danger to
pose a threat to; present a danger to