Catoptrics is valid Scrabble Word

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

Definitions for CATOPTRICS in dictionary:

Similar words containing CATOPTRIC without suffix s

catoptric15 catoptrical17
Find what other words can be done using letters: "catoptrics"
https://scrabble-word.com/finder/catoptrics
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