Greybacks is valid Scrabble Word

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

Definitions for GREYBACKS in dictionary:

Words related to GREYBACKS

greyback20

Similar words containing GREYBACK without suffix s

greyback20
Find what other words can be done using letters: "greybacks"
https://scrabble-word.com/finder/greybacks
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