Cumulonimbuses is valid Scrabble Word

Is cumulonimbuses a scrabble word?
Official Scrabble Players Dictionary YES
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is cumulonimbuses valid Words with Friends?
Words with Friends YES

Definitions for CUMULONIMBUSES in dictionary:

Words related to CUMULONIMBUSES

cumulonimbus20
Find what other words can be done using letters: "cumulonimbuses"
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