amplitude vs abundance

amplitude and abundance both are nouns.

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

As nouns, abundance is a hypernym of amplitude; that is, abundance is a word with a broader meaning than amplitude:

Other hypernyms of amplitude include copiousness, teemingness.

amplitude (noun)	abundance (noun)
greatness of magnitude	the property of a more than adequate quantity or supply
the property of copious abundance	(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
(physics) the maximum displacement of a periodic wave	(physics) the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes present