Uncompanioned is valid Scrabble Word

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

Definitions for UNCOMPANIONED in dictionary:

How to use UNCOMPANIONED in a sentence

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