At a sporting event you might shout "Keep it up" or "Kick it!" You might yell at your children saying "Knock it off!"
At a soccer game people shout "Kick it!". It begins with the letter k.
Knitting is a hobby that begins with K
Kennedy is a surname. It begins with K.
The Korat is a breed that begins with the letter k.
the hawaiian island that begins with a k is Kauai
The Korean Fir tree begins with K. The Kousa Dogwood tree begins with K.
Katydid begins with first letter K.
There is no English word that begins with K and ends in woo.
"Every other word that he says is an expletive." "It is easier to use an expletive than to think of an appropriate word." "Naming your dog after an expletive and yelling it in public is not a good idea."
An expletive is a swear word. Think of your own examples.
Henry J. Kaiser had a line of automobiles. A kia begins with k
Kinetic engineer begins with k. They work with kinetic energy.