impound vs seize

impound and seize both are verbs.

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

As verbs, impound and seize are synonyms defined as:

impound and seize: take temporary possession of as a security, by legal authority

Other synonyms of impound include attach, confiscate, sequester.

impound (verb)	seize (verb)
place or shut up in a pound	capture the attention or imagination of
take temporary possession of as a security, by legal authority	affect
	take into your hands deliberately
	take or capture by force
	hook by a pull on the line
	take possession of by force, as after an invasion
	take temporary possession of as a security, by legal authority
	seize and take control without authority and possibly with force; take as one's right or possession