Untuneable is valid Scrabble Word

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

Definitions for UNTUNEABLE in dictionary:

How to use UNTUNEABLE in a sentence

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