econometrician vs econometrist

econometrician and econometrist both are nouns.

Word	Noun	Adjective	Verb	Adverb
econometrician	Yes	No	No	No
econometrist	Yes	No	No	No

As nouns, econometrician and econometrist are synonyms defined as:

econometrician and econometrist: an economist who uses statistical and mathematical methods

econometrician (noun)	econometrist (noun)
an economist who uses statistical and mathematical methods	an economist who uses statistical and mathematical methods