seize vs kidnap

seize and kidnap both are verbs.

Word	Noun	Adjective	Verb	Adverb
seize	No	No	Yes	No
kidnap	No	No	Yes	No

As verbs, kidnap is a hyponym of seize; that is, kidnap is a word with a more specific, narrower meaning than seize:

seize: take or capture by force
kidnap: take away to an undisclosed location against their will and usually in order to extract a ransom

Other hyponyms of seize include raven, wrest, abduct, nobble, snatch, commandeer, highjack, hijack, pirate.

seize (verb)	kidnap (verb)
capture the attention or imagination of	take away to an undisclosed location against their will and usually in order to extract a ransom
affect
take into your hands deliberately
take or capture by force
hook by a pull on the line
take possession of by force, as after an invasion
take temporary possession of as a security, by legal authority
seize and take control without authority and possibly with force; take as one's right or possession