Hyperalertness is valid Scrabble Word

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

Definitions for HYPERALERTNESS in dictionary:

Similar words containing ALERTNES without suffix s and without prefix hyper

alertness9 alertnesses11 overalertness16 overalertnesses18
Find what other words can be done using letters: "hyperalertness"
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