scupper vs peril

scupper and peril both are nouns.

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

As verbs, scupper and peril are synonyms defined as:

scupper and peril: put in a dangerous, disadvantageous, or difficult position

Other synonyms of scupper include endanger, expose, queer.

scupper (noun)	peril (noun)
drain that allows water on the deck of a vessel to flow overboard	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

scupper (verb)	peril (verb)
put in a dangerous, disadvantageous, or difficult position	put in a dangerous, disadvantageous, or difficult position
wait in hiding to attack	pose a threat to; present a danger to