stigmatism vs stigmatist

stigmatism and stigmatist both are nouns.

Word	Noun	Adjective	Verb	Adverb
stigmatism	Yes	No	No	No
stigmatist	Yes	No	No	No

stigmatism (noun)	stigmatist (noun)
normal eyesight	a person whose body is marked by religious stigmata (such as marks resembling the wounds of the crucified Christ)
(optics) condition of an optical system (as a lens) in which light rays from a single point converge in a single focal point
the condition of having or being marked by stigmata