impound vs sequester

impound and sequester both are verbs.

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

As verbs, impound and sequester are synonyms defined as:

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

Other synonyms of impound include attach, confiscate, seize.

impound (verb)	sequester (verb)
place or shut up in a pound	keep away from others
take temporary possession of as a security, by legal authority	set apart from others
	undergo sequestration by forming a stable compound with an ion
	take temporary possession of as a security, by legal authority
	requisition forcibly, as of enemy property