Eustatically is valid Scrabble Word

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

Definitions for EUSTATICALLY in dictionary:

Words related to EUSTATICALLY

eustatic10
Find what other words can be done using letters: "eustatically"
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