warrant vs security

warrant and security both are nouns.

Word	Noun	Adjective	Verb	Adverb
warrant	Yes	No	Yes	No
security	Yes	No	No	No

As nouns, security is a hyponym of warrant; that is, security is a word with a more specific, narrower meaning than warrant:

warrant: a written assurance that some product or service will be provided or will meet certain specifications
security: a guarantee that an obligation will be met

Other hyponyms of warrant include surety, deposit, stock warrant.

As nouns, security is a hypernym of warrant; that is, security is a word with a broader meaning than warrant:

warrant: a type of security issued by a corporation (usually together with a bond or preferred stock) that gives the holder the right to purchase a certain amount of common stock at a stated price
security: property that your creditor can claim in case you default on your obligation

Other hypernyms of warrant include surety.

warrant (noun)	security (noun)
a writ from a court commanding police to perform specified acts	measures taken as a precaution against theft or espionage or sabotage etc.
a written assurance that some product or service will be provided or will meet certain specifications	an electrical device that sets off an alarm when someone tries to break in
formal and explicit approval	a guarantee that an obligation will be met
a type of security issued by a corporation (usually together with a bond or preferred stock) that gives the holder the right to purchase a certain amount of common stock at a stated price	freedom from anxiety or fear
	a department responsible for the security of the institution's property and workers
	property that your creditor can claim in case you default on your obligation
	defense against financial failure; financial independence
	a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends
	the state of being free from danger or injury

warrant (verb)	security (verb)
provide adequate grounds to justify (a certain course of action)
stand behind and guarantee the quality, accuracy, or condition of