predestinationist vs predestinarian

predestinationist and predestinarian both are nouns.

Word	Noun	Adjective	Verb	Adverb
predestinationist	Yes	No	No	No
predestinarian	Yes	Yes	No	No

As nouns, predestinationist and predestinarian are synonyms defined as:

predestinationist and predestinarian: anyone who submits to the belief that they are powerless to change their destiny

Other synonyms of predestinationist include determinist, fatalist.

predestinationist (noun)	predestinarian (noun)
anyone who submits to the belief that they are powerless to change their destiny	anyone who submits to the belief that they are powerless to change their destiny

predestinationist (adjective)	predestinarian (adjective)
	of or relating to predestination; holding the doctrine of predestination