"Undecillion" 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

"undecillion" Definition

  1. [US] a number equal to 1 followed by 36 zeros— see Table of Numbers

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