Customarinesses is valid Scrabble Word

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

Definitions for CUSTOMARINESSES in dictionary:

Words related to CUSTOMARINESSES

customariness17
Find what other words can be done using letters: "customarinesses"
https://scrabble-word.com/finder/customarinesses
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