Unflapped is valid Scrabble Word

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

Definitions for UNFLAPPED in dictionary:

Similar words containing FLAPP without suffix ed and without prefix un

flappy16 flapped15 flapper14 flappers15 flappier15 flapping16 flappable18 flappiest16 flappings17 flapperish20 flapperhood22 unflappable20 unflappably23 flapperhoods23 unflappability26 unflappableness24 unflappabilitie24 unflappabilities25
Find what other words can be done using letters: "unflapped"
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