Cystolithiases is valid Scrabble Word

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

Definitions for CYSTOLITHIASES in dictionary:

Words related to CYSTOLITHIASES

cystolithiasis22
Find what other words can be done using letters: "cystolithiases"
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