Prosperousnesses is valid word

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

Definitions for PROSPEROUSNESSES in dictionary:

Similar words containing PROSPEROUSNESSE without suffix s

prosperousnesse19
Find what other words can be done using letters: "prosperousnesses"
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