What's the difference between solifidian and solifidianism?

Solifidian

Definition:

• (n.) One who maintains that faith alone, without works, is sufficient for justification; -- opposed to nullifidian.
• (a.) Holding the tenets of Solifidians; of or pertaining to the solifidians.

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Solifidianism

Definition:

• (n.) The state of Solifidians.

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