exterminator vs eradicator

exterminator and eradicator both are nouns.

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

As nouns, exterminator and eradicator are synonyms defined as:

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

Other synonyms of exterminator include terminator.

exterminator (noun)	eradicator (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)