Counterglow is valid Scrabble Word

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

11 letters word
17 points in Scrabble
22 points in WWF

Definitions for COUNTERGLOW in dictionary:

NOUN:

another name for gegenschein
a faint spot of light in the night sky that appears directly opposite the position of the sun; a reflection of sunlight by micrometeoric material in space

Words related to COUNTERGLOW

counterglows18

Words that contain COUNTERGLOW

counterglows18

Find what other words can be done using letters: "counterglow"
https://scrabble-word.com/finder/counterglow

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