gauge boson vs boson

gauge boson and boson both are nouns.

Word	Noun	Adjective	Verb	Adverb
gauge boson	Yes	No	No	No
boson	Yes	No	No	No

As nouns, boson is a hypernym of gauge boson; that is, boson is a word with a broader meaning than gauge boson:

gauge boson: a particle that mediates the interaction of two elementary particles
boson: any particle that obeys Bose-Einstein statistics but not the Pauli exclusion principle; all nuclei with an even mass number are bosons

gauge boson (noun)	boson (noun)
a particle that mediates the interaction of two elementary particles	any particle that obeys Bose-Einstein statistics but not the Pauli exclusion principle; all nuclei with an even mass number are bosons