affect vs peril

affect and peril both are nouns.

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

As verbs, peril is a hyponym of affect; that is, peril is a word with a more specific, narrower meaning than affect:

affect (noun)	peril (noun)
the conscious subjective aspect of feeling or emotion	a venture undertaken without regard to possible loss or injury
	a source of danger; a possibility of incurring loss or misfortune
	a state of danger involving risk

affect (verb)	peril (verb)
act physically on; have an effect upon	put in a dangerous, disadvantageous, or difficult position
have an effect upon	pose a threat to; present a danger to
make believe with the intent to deceive
have an emotional or cognitive impact upon
connect closely and often incriminatingly