impound vs garnish

impound is not a noun while garnish is a noun.

Word	Noun	Adjective	Verb	Adverb
impound	No	No	Yes	No
garnish	Yes	No	Yes	No

As verbs, garnish is a hyponym of impound; that is, garnish is a word with a more specific, narrower meaning than impound:

Other hyponyms of impound include condemn, garnishee, distrain.

impound (noun)	garnish (noun)
	any decoration added as a trimming or adornment
	something (such as parsley) added to a dish for flavor or decoration

impound (verb)	garnish (verb)
place or shut up in a pound	decorate (food), as with parsley or other ornamental foods
take temporary possession of as a security, by legal authority	take a debtor's wages on legal orders, such as for child support