exacerbation vs aggravation

exacerbation and aggravation both are nouns.

Word	Noun	Adjective	Verb	Adverb
exacerbation	Yes	No	No	No
aggravation	Yes	No	No	No

As nouns, exacerbation and aggravation are synonyms defined as:

exacerbation and aggravation: action that makes a problem or a disease (or its symptoms) worse

exacerbation (noun)	aggravation (noun)
violent and bitter exasperation	unfriendly behavior that causes anger or resentment
action that makes a problem or a disease (or its symptoms) worse	action that makes a problem or a disease (or its symptoms) worse
	an exasperated feeling of annoyance