gluon vs gauge boson

gluon and gauge boson both are nouns.

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

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

gluon: a gauge boson that mediates strong interaction among quarks
gauge boson: a particle that mediates the interaction of two elementary particles

gluon (noun)	gauge boson (noun)
a gauge boson that mediates strong interaction among quarks	a particle that mediates the interaction of two elementary particles