Syneideses is valid Scrabble Word

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

Definitions for SYNEIDESES in dictionary:

Words related to SYNEIDESES

syneidesis14
Find what other words can be done using letters: "syneideses"
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