anesthetist vs anaesthetist

anesthetist and anaesthetist both are nouns.

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

As nouns, anesthetist and anaesthetist are synonyms defined as:

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

Other synonyms of anesthetist include anesthesiologist.

anesthetist (noun)	anaesthetist (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