abundance vs amplitude

abundance and amplitude both are nouns.

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

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

abundance (noun)	amplitude (noun)
the property of a more than adequate quantity or supply	greatness of magnitude
(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	(physics) the maximum displacement of a periodic wave