Thunderflash is valid Scrabble Word

Is thunderflash a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List NO
Collins Scrabble Words YES
Is thunderflash valid Words with Friends?
Words with Friends NO

12 letters word
22 points in Scrabble
23 points in WWF

Definitions for THUNDERFLASH in dictionary:

NOUN:

a container, such as a blank shell, filled with explosive powder, which makes a flash and a loud explosion when detonated
a noisy but harmless pyrotechnic device used especially in military exercises.

Words related to THUNDERFLASH

thunderflashes24

Words that contain THUNDERFLASH

thunderflashes24

Find what other words can be done using letters: "thunderflash"
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