Rainproofing is valid Scrabble Word

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

Definitions for RAINPROOFING in dictionary:

Words related to RAINPROOFING

rainproof14

Similar words containing RAINPROOF without suffix ing

rainproof14 rainproofs15 rainproofed17
Find what other words can be done using letters: "rainproofing"
https://scrabble-word.com/finder/rainproofing
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