vaccinator vs inoculator

vaccinator and inoculator both are nouns.

Word	Noun	Adjective	Verb	Adverb
vaccinator	Yes	No	No	No
inoculator	Yes	No	No	No

As nouns, vaccinator and inoculator are synonyms defined as:

vaccinator and inoculator: a medical practitioner who inoculates people against diseases

vaccinator (noun)	inoculator (noun)
a medical practitioner who inoculates people against diseases	a medical practitioner who inoculates people against diseases