anesthesiologist vs anesthetist

anesthesiologist and anesthetist both are nouns.

Word	Noun	Adjective	Verb	Adverb
anesthesiologist	Yes	No	No	No
anesthetist	Yes	No	No	No

As nouns, anesthesiologist and anesthetist are synonyms defined as:

anesthesiologist and anesthetist: a specialist who administers an anesthetic to a patient before he is treated

Other synonyms of anesthesiologist include anaesthetist.

anesthesiologist (noun)	anesthetist (noun)
a specialist who administers an anesthetic to a patient before he is treated	a specialist who administers an anesthetic to a patient before he is treated