warrant vs warrantor

warrant and warrantor both are nouns.

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

warrant (noun)	warrantor (noun)
a writ from a court commanding police to perform specified acts	one who provides a warrant or guarantee to another
a written assurance that some product or service will be provided or will meet certain specifications
formal and explicit approval
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

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