scupper vs bushwhack

scupper is a noun but bushwhack is not a noun.

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

As verbs, scupper and bushwhack are synonyms defined as:

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

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

scupper (verb)	bushwhack (verb)
put in a dangerous, disadvantageous, or difficult position	wait in hiding to attack
wait in hiding to attack	cut one's way through the woods or bush
	live in the bush as a fugitive or as a guerilla