Tandemwise is valid Scrabble Word

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

Definitions for TANDEMWISE in dictionary:

How to use TANDEMWISE in a sentence

Find what other words can be done using letters: "tandemwise"
https://scrabble-word.com/finder/tandemwise
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