peril vs menace

peril and menace both are nouns.

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

As verbs, peril and menace are synonyms defined as:

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

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

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