inoculator vs vaccinator

inoculator and vaccinator both are nouns.

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

As nouns, inoculator and vaccinator are synonyms defined as:

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

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