Internucleon is valid Scrabble Word

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

Definitions for INTERNUCLEON in dictionary:

Words that contain INTERNUCLEON

internucleonic18
Find what other words can be done using letters: "internucleon"
https://scrabble-word.com/finder/internucleon
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