theorizer vs theorist

theorizer and theorist both are nouns.

Word	Noun	Adjective	Verb	Adverb
theorizer	Yes	No	No	No
theorist	Yes	No	No	No

As nouns, theorizer and theorist are synonyms defined as:

theorizer and theorist: someone who theorizes (especially in science or art)

Other synonyms of theorizer include idealogue, theoretician, theoriser.

theorizer (noun)	theorist (noun)
someone who theorizes (especially in science or art)	someone who theorizes (especially in science or art)