abundance vs bounty

abundance and bounty both are nouns.

Word	Noun	Adjective	Verb	Adverb
abundance	Yes	No	No	No
bounty	Yes	No	No	No

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

abundance (noun)	bounty (noun)
the property of a more than adequate quantity or supply	(literary) generosity evidenced by a willingness to give freely
(chemistry) the ratio of the total mass of an element in the earth's crust to the total mass of the earth's crust; expressed as a percentage or in parts per million	the property of copious abundance
(physics) the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes present	payment or reward (especially from a government) for acts such as catching criminals or killing predatory animals or enlisting in the military