jeopardize vs peril

jeopardize is not a noun while peril is a noun.

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

As verbs, jeopardize and peril are synonyms defined as:

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

jeopardize (noun)	peril (noun)
	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

jeopardize (verb)	peril (verb)
put at risk	put in a dangerous, disadvantageous, or difficult position
pose a threat to; present a danger to	pose a threat to; present a danger to