knockknock at an open doorknock backknock downknock it offknock kneesknock offknock off his perchknock off the cryingknock onknock on effectknock on the headknock on woodknock one's head against a brick wallknock one's socks offknock oneself outknock overknock someone downknock someone flatknock someone offknock the bottom out ofknock the socks offknock the spots offknock upknocked downknocked him off his pedestalknockerknockoutknockwurstknollknoop scaleknopknossianknossosknotknotgrassknotholeknottedknotterknottilyknottinessknottyknotworkknoutknowknow a friend from a foeknow a thing or twoknow allknow better daysknow better than that
