Contraclockwise is valid Scrabble Word

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

Definitions for CONTRACLOCKWISE in dictionary:

Words related to CONTRACLOCKWISE

anticlockwise24
Find what other words can be done using letters: "contraclockwise"
https://scrabble-word.com/finder/contraclockwise
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