mesmerist vs hypnotiser

mesmerist and hypnotiser both are nouns.

Word	Noun	Adjective	Verb	Adverb
mesmerist	Yes	No	No	No
hypnotiser	Yes	No	No	No

As nouns, mesmerist and hypnotiser are synonyms defined as:

Other synonyms of mesmerist include hypnotist, hypnotizer, mesmerizer.

mesmerist (noun)	hypnotiser (noun)
a person who induces hypnosis	a person who induces hypnosis