amplify vs puff up

amplify and puff up both are verbs.

Word	Noun	Adjective	Verb	Adverb
amplify	No	No	Yes	No
puff up	No	No	Yes	No

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

amplify (verb)	puff up (verb)
increase in size, volume or significance	make larger or distend
increase the volume of	to swell or cause to enlarge
exaggerate or make bigger	praise extravagantly
to enlarge beyond bounds or the truth	become filled with pride, arrogance, or anger