exterminator vs terminator

exterminator and terminator both are nouns.

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

As nouns, exterminator and terminator are synonyms defined as:

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

Other synonyms of exterminator include eradicator.

exterminator (noun)	terminator (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)