Unequivocalness is valid Scrabble Word

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

Definitions for UNEQUIVOCALNESS in dictionary:

Similar words containing EQUIVOCALNES without suffix s and without prefix un

equivocalness27 equivocalnesses29
Find what other words can be done using letters: "unequivocalness"
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