bristle vs react

bristle is a noun but react is not a noun.

Word	Noun	Adjective	Verb	Adverb
bristle	Yes	No	Yes	No
react	No	No	Yes	No

As verbs, react is a hypernym of bristle; that is, react is a word with a broader meaning than bristle:

Other hypernyms of bristle include respond.

bristle (noun)	react (noun)
a stiff hair
a stiff fiber (coarse hair or filament); natural or synthetic

bristle (verb)	react (verb)
react in an offended or angry manner	undergo a chemical reaction; react with another substance under certain conditions
rise up as in fear	show a response or a reaction to something
be in a state of movement or action	act against or in opposition to
have or be thickly covered with or as if with bristles