Knobbing is valid Scrabble Word

Is knobbing a scrabble word?
Official Scrabble Players Dictionary YES
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is knobbing valid Words with Friends?
Words with Friends YES

Definitions for KNOBBING in dictionary:

Words related to KNOBBING

knob10 knobbed16 knobs11
Find what other words can be done using letters: "knobbing"
https://scrabble-word.com/finder/knobbing
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