ambush vs scupper

ambush and scupper both are nouns.

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

As verbs, ambush and scupper are synonyms defined as:

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

ambush (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

ambush (verb)	scupper (verb)
wait in hiding to attack	put in a dangerous, disadvantageous, or difficult position
hunt (quarry) by stalking and ambushing	wait in hiding to attack