Derivationally is valid Scrabble Word

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

Definitions for DERIVATIONALLY in dictionary:

Similar words containing RIVATIONAL without suffix ly and without prefix de

derivational16
Find what other words can be done using letters: "derivationally"
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