confiscation vs seizure

confiscation and seizure both are nouns.

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

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

confiscation (noun)	seizure (noun)
seizure by the government	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