apprehension vs seizure

apprehension and seizure both are nouns.

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

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

Other hypernyms of apprehension include capture, gaining control.

apprehension (noun)	seizure (noun)
the act of apprehending (especially apprehending a criminal)	the taking possession of something by legal process
the cognitive condition of someone who understands	the act of forcibly dispossessing an owner of property
painful expectation	the act of taking of a person by force
fearful expectation or anticipation	a sudden occurrence (or recurrence) of a disease