Disorganiser is valid Scrabble Word

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

Definitions for DISORGANISER in dictionary:

Words related to DISORGANISER

disorganisers15
Find what other words can be done using letters: "disorganiser"
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