Amassable is valid Scrabble Word

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

Definitions for AMASSABLE in dictionary:

Words related to AMASSABLE

amass7
Find what other words can be done using letters: "amassable"
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