"Antiphoners" validity in different word game dictionaries

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

Other 11-Letter Words With "a", "n", "t", "i", "p", "h", "o", "e", "r", "s"

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