Subnatural is valid Scrabble Word

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

Definitions for SUBNATURAL in dictionary:

How to use SUBNATURAL in a sentence

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