Unpluming is valid Scrabble Word

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

Definitions for UNPLUMING in dictionary:

Words related to UNPLUMING

unplume11
Find what other words can be done using letters: "unpluming"
https://scrabble-word.com/finder/unpluming
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