hijack vs criminal offence

hijack and criminal offence both are nouns.

Word	Noun	Adjective	Verb	Adverb
hijack	Yes	No	Yes	No
criminal offence	Yes	No	No	No

As nouns, criminal offence is a hypernym of hijack; that is, criminal offence is a word with a broader meaning than hijack:

hijack: seizure of a vehicle in transit either to rob it or divert it to an alternate destination
criminal offence: (criminal law) an act punishable by law; usually considered an evil act

Other hypernyms of hijack include crime, criminal offense, law-breaking.

hijack (noun)	criminal offence (noun)
seizure of a vehicle in transit either to rob it or divert it to an alternate destination	(criminal law) an act punishable by law; usually considered an evil act

hijack (verb)	criminal offence (verb)
take arbitrarily or by force
seize control of