scupper vs ambush

scupper and ambush both are nouns.

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

As verbs, scupper and ambush are synonyms defined as:

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

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

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