compound vs amplify

compound is a noun but amplify is not a noun.

Word	Noun	Adjective	Verb	Adverb
compound	Yes	Yes	Yes	No
amplify	No	No	Yes	No

As verbs, amplify is a hyponym of compound; that is, amplify is a word with a more specific, narrower meaning than compound:

Other hyponyms of compound include heat up, hot up, screw up, fan, enhance, heighten, raise, sharpen, heighten, sharpen.

compound (noun)	amplify (noun)
an enclosure of residences and other building (especially in the Orient)
a whole formed by a union of two or more elements or parts
a word (as anthropology, kilocycle, builder) consisting of any of various combinations of words, combining forms, or affixes.
(chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight

compound (adjective)	amplify (adjective)
composed of more than one part
consisting of two or more substances or ingredients or elements or parts
composed of many distinct individuals united to form a whole or colony

compound (verb)	amplify (verb)
put or add together	increase in size, volume or significance
make more intense, stronger, or more marked	increase the volume of
combine so as to form a whole; mix	exaggerate or make bigger
create by mixing or combining	to enlarge beyond bounds or the truth
calculate principal and interest