Regrater is valid Scrabble Word

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

Definitions for REGRATER in dictionary:

Words related to REGRATER

regrate8
Find what other words can be done using letters: "regrater"
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