Seigniorships is valid Scrabble Word

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

Definitions for SEIGNIORSHIPS in dictionary:

Words related to SEIGNIORSHIPS

seigniorship18

Similar words containing SEIGNIORSHIP without suffix s

seigniorship18
Find what other words can be done using letters: "seigniorships"
https://scrabble-word.com/finder/seigniorships
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