menace vs yellow peril

menace and yellow peril both are nouns.

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

As nouns, yellow peril is a hyponym of menace; that is, yellow peril is a word with a more specific, narrower meaning than menace:

menace: something that is a source of danger
yellow peril: the threat to Western civilization said to arise from the power of Asiatic peoples

menace (noun)	yellow peril (noun)
a threat or the act of threatening	the threat to Western civilization said to arise from the power of Asiatic peoples
something that is a source of danger

menace (verb)	yellow peril (verb)
act in a threatening manner
express a threat either by an utterance or a gesture
pose a threat to; present a danger to