aggravator vs annoyance

aggravator and annoyance both are nouns.

Word	Noun	Adjective	Verb	Adverb
aggravator	Yes	No	No	No
annoyance	Yes	No	No	No

As nouns, aggravator and annoyance are synonyms defined as:

aggravator and annoyance: an unpleasant person who is annoying or exasperating

aggravator (noun)	annoyance (noun)
an unpleasant person who is annoying or exasperating	the act of troubling or annoying someone
	something or someone that causes trouble; a source of unhappiness
	anger produced by some annoying irritation
	an unpleasant person who is annoying or exasperating
	the psychological state of being irritated or annoyed