Portentousnesses is valid word

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

Definitions for PORTENTOUSNESSES in dictionary:

Similar words containing PORTENTOUSNESSE without suffix s

portentousnesse17
Find what other words can be done using letters: "portentousnesses"
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