amplify vs expand

amplify and expand both are verbs.

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

As verbs, amplify and expand are synonyms defined as:

Other synonyms of amplify include blow up, inflate.

amplify (verb)	expand (verb)
increase in size, volume or significance	grow vigorously
increase the volume of	exaggerate or make bigger
exaggerate or make bigger	become larger in size or volume or quantity
to enlarge beyond bounds or the truth	expand the influence of
	make bigger or wider in size, volume, or quantity
	add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
	extend in one or more directions