Gigantomachy is valid Scrabble Word

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

Definitions for GIGANTOMACHY in dictionary:

Words related to GIGANTOMACHY

gigantomachies23
Find what other words can be done using letters: "gigantomachy"
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