"Superacid" validity in different word game dictionaries

Dictionary Validity
Scrabble US(US/Canada/Thailand - TWL/NWL) No
Scrabble UK(International - SOWPODS/CSW) No
Words with Friends(WWF) Yes

"superacid" Definition

  1. excessively acid
  2. having a pH value of 3.5–4.0

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