Umpireship is valid Scrabble Word

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

Definitions for UMPIRESHIP in dictionary:

Words related to UMPIRESHIP

umpire10 umpireships20

Words that contain UMPIRESHIP

umpireships20
Find what other words can be done using letters: "umpireship"
https://scrabble-word.com/finder/umpireship
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