Unreachably is valid Scrabble Word

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

Definitions for UNREACHABLY in dictionary:

Similar words containing REACHAB without suffix ly and without prefix un

reachable16 preachable19 unreachable18 unbreachable21
Find what other words can be done using letters: "unreachably"
https://scrabble-word.com/finder/unreachably
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