Gradatim is valid Scrabble Word

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

Definitions for GRADATIM in dictionary:

How to use GRADATIM in a sentence

Find what other words can be done using letters: "gradatim"
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