Nucleolus is valid Scrabble Word

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

Definitions for NUCLEOLUS in dictionary:

Words related to NUCLEOLUS

nucleolar11 nucleole10 nucleoli10
Find what other words can be done using letters: "nucleolus"
https://scrabble-word.com/finder/nucleolus
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