Strongness is valid Scrabble Word

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

Definitions for STRONGNESS in dictionary:

Words related to STRONGNESS

strong7

Words that contain STRONGNESS

strongnesses13 headstrongness19

How to use STRONGNESS in a sentence

Similar words containing STRONGNES without suffix s

strongnesses13 headstrongness19
Find what other words can be done using letters: "strongness"
https://scrabble-word.com/finder/strongness
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