overabundance vs glut

overabundance and glut both are nouns.

Word	Noun	Adjective	Verb	Adverb
overabundance	Yes	No	No	No
glut	Yes	No	Yes	No

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

Other hyponyms of overabundance include excess, nimiety, surplus, surplusage, oversupply, surfeit, bellyful.

overabundance (noun)	glut (noun)
a quantity that is more than what is appropriate	the quality of being so overabundant that prices fall
the state of being more than full

overabundance (verb)	glut (verb)
	overeat or eat immodestly; make a pig of oneself
	supply with an excess of