Hyperviscous is valid Scrabble Word

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

Definitions for HYPERVISCOUS in dictionary:

Similar words containing VISCOU without suffix s and without prefix hyper

viscous12 viscount13 viscounts14 viscounty17 viscously17 nonviscous15 viscountcy20 viscountess16 viscounties16 viscousness16 viscountcies19 viscountship22 viscountesses18 viscountships23 viscousnesses18
Find what other words can be done using letters: "hyperviscous"
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