Showrunner is valid Scrabble Word

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

Definitions for SHOWRUNNER in dictionary:

Words that contain SHOWRUNNER

showrunners17

Similar words containing SHOWRUNN without suffix er

showrunners17
Find what other words can be done using letters: "showrunner"
https://scrabble-word.com/finder/showrunner
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