Koff is valid Scrabble Word

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

Definitions for KOFF in dictionary:

Words related to KOFF

koffs15

Words that contain KOFF

koffs15 skoff15 skoffs16 cookoff19 fuckoff22 kickoff23 pickoff21 skoffed18 breakoff20 checkoff25 cookoffs20 fuckoffs23 kickoffs24 knockoff24 pickoffs22 skoffing19 breakoffs21 checkoffs26 knockoffs25
Find what other words can be done using letters: "koff"
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