Agraphon is valid Scrabble Word

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

Definitions for AGRAPHON in dictionary:

Words related to AGRAPHON

agrapha13
Find what other words can be done using letters: "agraphon"
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