Successfulnesses is valid word

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

Definitions for SUCCESSFULNESSES in dictionary:

Similar words containing SUCCESSFULNESSE without suffix s

successfulnesse22
Find what other words can be done using letters: "successfulnesses"
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