Falsism is valid Scrabble Word

Is falsism a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List NO
Collins Scrabble Words YES
Is falsism valid Words with Friends?
Words with Friends NO

Definitions for FALSISM in dictionary:

Words related to FALSISM

false8

Words that contain FALSISM

falsisms13
Find what other words can be done using letters: "falsism"
https://scrabble-word.com/finder/falsism
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