Seigniorship is valid Scrabble Word

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

Definitions for SEIGNIORSHIP in dictionary:

Words related to SEIGNIORSHIP

seigniorships19

Words that contain SEIGNIORSHIP

seigniorships19
Find what other words can be done using letters: "seigniorship"
https://scrabble-word.com/finder/seigniorship
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