Diddlysquat is valid Words with Friends

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

Definitions for DIDDLYSQUAT in dictionary:

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