"Frankpledge" validity in different word game dictionaries

Dictionary Validity
Scrabble US(US/Canada/Thailand - TWL/NWL) Yes
Scrabble UK(International - SOWPODS/CSW) Yes
Words with Friends(WWF) Yes

"frankpledge" Definition

  1. an Anglo-Saxon system under which each adult male member of a tithing was responsible for the good conduct of the others

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