Windproofs is valid Scrabble Word

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

Definitions for WINDPROOFS in dictionary:

Words related to WINDPROOFS

windproof18

Similar words containing WINDPROOF without suffix s

windproof18 windproofed21 windproofing22
Find what other words can be done using letters: "windproofs"
https://scrabble-word.com/finder/windproofs
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