diff --git a/Tables/Contraction/en-us-g2.ctb b/Tables/Contraction/en-us-g2.ctb
index f57aa95..832add8 100644
--- a/Tables/Contraction/en-us-g2.ctb
+++ b/Tables/Contraction/en-us-g2.ctb
@@ -639,6 +639,7 @@ word kneedeep =
 always know 5-13
 sufword knownothing 5-13-1345-135-1456-346 knownothingism
 word knowledge 13
+sufword knuckledust 13-1345-136-14-13-123-15-145-136-34 knuckleduster knuckledusting
 sufword kurdistan 13-136-1235-145-24-34-1-1345 Kurdistani
 
 # the letter l