Pertinaciousness is valid word

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

Definitions for PERTINACIOUSNESS in dictionary:

Words that contain PERTINACIOUSNESS

pertinaciousnesses22

Similar words containing PERTINACIOUSNES without suffix s

pertinaciousnes19 pertinaciousnesses22
Find what other words can be done using letters: "pertinaciousness"
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