Yabba is valid Scrabble Word

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

Definitions for YABBA in dictionary:

Words related to YABBA

yabbas13

Words that contain YABBA

yabbas13
Find what other words can be done using letters: "yabba"
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