Why is the k silent in knife?
Robert Clark
Published Jan 12, 2026
It is not conclusively known why this occurred. However, some researchers believe it was due to the influence of Latin and French during this period, as these languages did not include the 'kn' cluster. This resulted in the 'k' being mispronounced or not pronounced and gradually eliminated.
When did we stop pronouncing the k in knife?
Up until the 17th century we observed this practice and actually pronounced “knee,” for instance, as “k'nee” and “knife” as “k'nife.” But sometime in the 1500s we started dropping that “k” sound, probably because folks simply found that “kn” sound a bit clumsy to pronounce.Why did k become silent?
However, silent ⟨k⟩ and ⟨g⟩ occur because of apheresis, the dropping of the initial sound of a word. These sounds used to be pronounced in Old and Middle English.What is the point of the k in knife?
Originally the k was pronounced - it's a voiceless plosive, made by blocking the flow of air with the back of the tongue and then releasing it. The n sound is make by putting the tip of the tongue behind the upper teeth.What is the rule for silent k?
Silent K WordsRule: K is not pronounced when it comes before an n at the beginning of a word. For example: knee, know, knock.