expunge vs excise

expunge is not a noun while excise is a noun.

Word	Noun	Adjective	Verb	Adverb
expunge	No	No	Yes	No
excise	Yes	No	Yes	No

As verbs, expunge and excise are synonyms defined as:

expunge and excise: remove by erasing or crossing out or as if by drawing a line

Other synonyms of expunge include scratch, strike.

expunge (noun)	excise (noun)
	a tax that is measured by the amount of business done (not on property or income from real estate)

expunge (verb)	excise (verb)
remove by erasing or crossing out or as if by drawing a line	remove by cutting
	remove by erasing or crossing out or as if by drawing a line
	levy an excise tax on