Unassimilably is valid Scrabble Word

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

Definitions for UNASSIMILABLY in dictionary:

Similar words containing ASSIMILAB without suffix ly and without prefix un

assimilable15 assimilably18 unassimilable17 assimilability21 assimilabilitie19 assimilabilities20
Find what other words can be done using letters: "unassimilably"
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