Polysynthesisms is valid Scrabble Word

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

Definitions for POLYSYNTHESISMS in dictionary:

Words related to POLYSYNTHESISMS

polysynthesism27

Similar words containing POLYSYNTHESISM without suffix s

polysynthesism27
Find what other words can be done using letters: "polysynthesisms"
https://scrabble-word.com/finder/polysynthesisms
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