eradicator vs exterminator

eradicator and exterminator both are nouns.

Word	Noun	Adjective	Verb	Adverb
eradicator	Yes	No	No	No
exterminator	Yes	No	No	No

As nouns, eradicator and exterminator are synonyms defined as:

eradicator and exterminator: someone who exterminates (especially someone whose occupation is the extermination of troublesome rodents and insects)

Other synonyms of eradicator include terminator.

eradicator (noun)	exterminator (noun)
someone who exterminates (especially someone whose occupation is the extermination of troublesome rodents and insects)	someone who exterminates (especially someone whose occupation is the extermination of troublesome rodents and insects)