Murderousnesses is valid Scrabble Word

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

Definitions for MURDEROUSNESSES in dictionary:

Words related to MURDEROUSNESSES

murderousness16
Find what other words can be done using letters: "murderousnesses"
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