evolutionism vs theory of organic evolution

evolutionism and theory of organic evolution both are nouns.

Word	Noun	Adjective	Verb	Adverb
evolutionism	Yes	No	No	No
theory of organic evolution	Yes	No	No	No

As nouns, evolutionism and theory of organic evolution are synonyms defined as:

evolutionism and theory of organic evolution: (biology) a scientific theory of the origin of species of plants and animals

Other synonyms of evolutionism include theory of evolution.

evolutionism (noun)	theory of organic evolution (noun)
(biology) a scientific theory of the origin of species of plants and animals	(biology) a scientific theory of the origin of species of plants and animals