Calyptrogen is valid Scrabble Word

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

Definitions for CALYPTROGEN in dictionary:

Words related to CALYPTROGEN

calyptrogens20

Words that contain CALYPTROGEN

calyptrogens20
Find what other words can be done using letters: "calyptrogen"
https://scrabble-word.com/finder/calyptrogen
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