Unrecognised is valid Scrabble Word

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

Definitions for UNRECOGNISED in dictionary:

How to use UNRECOGNISED in a sentence

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