Hyperviscosities is valid word

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

Definitions for HYPERVISCOSITIES in dictionary:

Similar words containing VISCOSITIE without suffix s and without prefix hyper

viscosities16 hyperviscositie28
Find what other words can be done using letters: "hyperviscosities"
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