ambuscade vs scupper

ambuscade and scupper both are nouns.

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

As verbs, ambuscade and scupper are synonyms defined as:

Other synonyms of ambuscade include ambush, bushwhack, lie in wait, lurk, waylay.

ambuscade (noun)	scupper (noun)
the act of concealing yourself and lying in wait to attack by surprise	drain that allows water on the deck of a vessel to flow overboard

ambuscade (verb)	scupper (verb)
wait in hiding to attack	put in a dangerous, disadvantageous, or difficult position
	wait in hiding to attack