impressment vs seizure

impressment and seizure both are nouns.

Word	Noun	Adjective	Verb	Adverb
impressment	Yes	No	No	No
seizure	Yes	No	No	No

As nouns, seizure is a hypernym of impressment; that is, seizure is a word with a broader meaning than impressment:

impressment (noun)	seizure (noun)
the act of coercing someone into government service	the taking possession of something by legal process
	the act of forcibly dispossessing an owner of property
	the act of taking of a person by force
	a sudden occurrence (or recurrence) of a disease