Giantliest is valid Scrabble Word

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

Definitions for GIANTLIEST in dictionary:

Words related to GIANTLIEST

giantly11

Similar words containing GIANTL without suffix iest

giantly11 giantlier10 giantlike14
Find what other words can be done using letters: "giantliest"
https://scrabble-word.com/finder/giantliest
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