Stertorousness is valid Scrabble Word

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

Definitions for STERTOROUSNESS in dictionary:

Words related to STERTOROUSNESS

stertorous10
Find what other words can be done using letters: "stertorousness"
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