Ulu is valid Scrabble Word

Is ulu a scrabble word?
Official Scrabble Players Dictionary YES
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is ulu valid Words with Friends?
Words with Friends YES

Definitions for ULU in dictionary:

Words related to ULU

ulus4
Find what other words can be done using letters: "ulu"
https://scrabble-word.com/finder/ulu
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