hadron vs baryon

hadron and baryon both are nouns.

Word	Noun	Adjective	Verb	Adverb
hadron	Yes	No	No	No
baryon	Yes	No	No	No

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

hadron: any elementary particle that interacts strongly with other particles
baryon: any of the elementary particles having a mass equal to or greater than that of a proton and that participate in strong interactions; a hadron with a baryon number of +1

Other hyponyms of hadron include antibaryon, antimeson, heavy particle, meson, mesotron.

hadron (noun)	baryon (noun)
any elementary particle that interacts strongly with other particles	any of the elementary particles having a mass equal to or greater than that of a proton and that participate in strong interactions; a hadron with a baryon number of +1