Mysteriousnesses is valid word

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

16 letters word
21 points in Scrabble
23 points in WWF

Definitions for MYSTERIOUSNESSES in dictionary:

ADJECTIVE:

full of, characterized by, or involving mystery: a mysterious occurrence.
implying or suggesting a mystery: a mysterious smile.
of obscure nature, meaning, origin, etc.; puzzling; inexplicable: a mysterious inscription on the ancient tomb.

Similar words containing MYSTERIOUSNESSE without suffix s

mysteriousnesse20

Find what other words can be done using letters: "mysteriousnesses"
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