Staircasing is valid Scrabble Word

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

Definitions for STAIRCASING in dictionary:

Words related to STAIRCASING

staircase11 staircasings15

Words that contain STAIRCASING

staircasings15

Similar words containing STAIRCAS without suffix ing

staircase11 staircased13 staircases12 staircasings15
Find what other words can be done using letters: "staircasing"
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