Disgracious is valid Scrabble Word

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

Definitions for DISGRACIOUS in dictionary:

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