Words That Start with K - List of K Words for Kids
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Learning new words is one of the best ways to grow our vocabulary. Each letter of the alphabet brings its own set of exciting words, and today we are going to explore the letter K.
The letter K is special because it has words that sound strong, fun, and even tricky. Some words begin with a clear K sound like kite or kangaroo, while others have a silent K like knock or knee. This makes learning K words both interesting and enjoyable for kids and parents alike. Here, we will look at different types of K words from nouns, verbs, adjectives to even funny and beautiful ones.
Words Starting with K
Let's begin with some common words that start with the letter K. These are words you may hear or use in daily life.

Quick List of K Words:
Kite |
King |
Key |
Kitchen |
Kitten |
Kangaroo |
Kind |
Knock |
Knife |
Know |
Kid |
Keep |
Kick |
Kiss |
Knee |
Knight |
Koala |
Kettle |
Keyboard |
Kingdom |
K Words for Kids
Learning short words is the first step to building a strong vocabulary. Let's look at words of different lengths that start with the letter K.
2-Letter Words Starting with K
Ka |
Ki |
Ko |
Ky |
Ku |
Ke |
Kh |
Kb |
Kc |
Kd |
3-Letter Words Starting with K
Kid |
Kit |
Key |
Ken |
Kip |
Kim |
Kat |
Kin |
Kos |
Koi |
4-Letter Words Starting with K
Kite |
King |
Kick |
Knit |
Kiss |
Keen |
Know |
Knew |
Kind |
Kart |
5-Letter Words Starting with K
Knife |
Knock |
Kneel |
Koala |
Known |
Kites |
Karma |
Kitty |
Kayak |
Kiosk |
6+ Letter Words Starting with K
Kangaroo |
Kindness |
Kingdom |
Kitchen |
Keyboard |
Keeping |
Knitted |
Ketchup |
Kickoff |
Knowing |
Nouns That Start with K (25 Examples)
Nouns are words that name people, places, animals, or things. Let's look at some nouns that begin with the letter K.
Kite |
Key |
Kitchen |
Knife |
Kettle |
Keyboard |
Kit |
Knob |
Kangaroo |
Koala |
Kingfisher |
Kiwi |
Kitten |
Koi |
Komodo dragon |
Kenya |
Kashmir |
Kansas |
Kuwait |
Kathmandu |
Kerala |
Korea |
Knowledge |
Kingdom |
Knight |
Kindness |
Keeper |
Verbs That Start with K
Verbs are action words. Here are some interesting verbs that begin with the letter K.
Kick |
Knit |
Kneel |
Knock |
Know |
Keep |
Kill |
Kiss |
Kidnap |
Kindle |
Knead |
Kite |
Kickoff |
Knockout |
Kneecap |
Kowtow |
Key in |
Kickstart |
Knot |
Knockdown |
Kneecap |
Example Sentences for Kids
- Kick - I can kick the ball very far.
- Knit - Grandma likes to knit a sweater.
- Kneel - We kneel to tie our shoelaces.
- Knock - Please knock on the door before you come in.
- Know - I know the answer to this question.
- Keep - Keep your toys in the box after playing.
- Kill - Frogs eat insects that kill plants.
- Kiss - Mom gave me a goodnight kiss.
- Kidnap - The storybook had a villain who tried to kidnap the princess.
- Kindle - We use a match to kindle the fire.
- Knead - Bakers knead the dough to make bread.
- Kite - Let's kite in the park this evening.
- Kickoff - The football game will kickoff at 5 o’clock.
- Knockout - The boxer won with a knockout punch.
- Kowtow - People kowtow as a sign of respect in some cultures.
- Key in - Please key in your password.
- Kickstart - Drinking water can kickstart your morning.
- Knot - Can you knot the rope tightly?
- Knockdown - The wind gave a knockdown to the tree.
- Kneecap - He hurt his kneecap when he fell.
Phrasal Verbs with K
Phrasal verbs are action phrases made with a verb and another word, giving a new meaning. Here are some common ones with K:
Phrasal Verb |
Meaning |
Keep on |
To continue doing something |
Keep up |
To maintain the same speed or level |
Knock out |
To make someone unconscious or remove them from a game |
Kick off |
To start something, like a game or event |
Knock down |
To push or hit something so it falls |
Keep away |
To stay at a distance |
Keep back |
To stay behind or not move forward |
Keep out |
To stop someone from entering |
Keep off |
To avoid stepping on something |
Keep in |
To not let someone go outside |
Adjectives That Start with K
Adjectives are describing words. Here are some interesting and positive K words that kids can learn and use.
Kind |
Kindhearted |
Keen |
Knowledgeable |
Kooky |
Kingly |
Knightly |
Kid-friendly |
Kindred |
Kickass |
Kempt |
Kindly |
Knowing |
Knotty |
Kosher |
Klutzy |
Knavish |
Kaleidoscopic |
Kinless |
Kicky |
Beautiful Words That Start with K
Some words with K sound warm and positive. These words are often used to describe someone's good qualities.
Kindness |
Knowledge |
Kinship |
Keen |
Kindhearted |
Kismet |
Kudos |
Knightly |
Kingly |
Kaleidoscope |
Keep |
Kindred |
Knowing |
Kissable |
Kindly |
Kickstart |
Key |
Keeper |
Funny Words That Start with K
Some K words sound silly or unusual, which makes them fun to say and remember. Kids love learning these funny words!
Kooky |
Klutz |
Kerfuffle |
Kaboom |
Ka-ching |
Kickflip |
Kaboose |
Kazoo |
Kooky-doo |
Kryptonite |
Kibble |
KitKat |
Knickknack |
Kookylicious |
Kaboing |
Karaoke |
Kookyland |
Kung-fu |
Items Beginning with K
Here are some everyday items that begin with the letter K.

Key |
Keyboard |
Kettle |
Knife |
Kit |
Ketchup |
Kayak |
Kimono |
Kerosene |
Keepsake |
Kiosk |
Kickstand |
Kettle drum |
Knapsack |
Kale |
Kazoo |
Kite |
Kleenex |
Kimchi |
Keychain |
Silent K Words
The letter K is sometimes silent when it comes before the letter N at the beginning of a word. For example, in "knee," we don't hear the K sound, we only say "nee."
Here are 20 common silent K words:
Know |
Knife |
Knock |
Knee |
Knight |
Knob |
Knit |
Knot |
Kneel |
Knack |
Knuckle |
Knowledge |
Knapsack |
Knead |
Knoll |
Knelt |
Knighthood |
Knickers |
Knighthood |
Knighthood (repetition?) |
Unique Words That Start with K
Some words with K are rare and sound fun to say. Here are a few unique ones to learn and share:
Kaleidoscope |
Kerfuffle |
Krypton |
Kettle drum |
Kinesiology |
Knavish |
Karyotype |
Knickknack |
Koan |
Kookaburra |
Kurgan |
Kumquat |
Karyokinesis |
Kinescope |
Krakatoa |
Kabbalah |
Kith |
Kudos |
Kabuki |
Kyrie |
Khaki |
Science Words That Start with K
The letter K also appears in many science terms. Here are some examples:
Word |
Field/Meaning |
Kelvin |
Unit of temperature |
Kinetic |
Related to movement |
Krypton |
A noble gas element |
Keratin |
Protein found in hair and nails |
Karyotype |
Picture of chromosomes |
Kerosene |
Fuel often used in lamps/rockets |
Kaolin |
A type of clay used in science and medicine |
Karyokinesis |
Process of cell division |
Ketone |
Organic compound in chemistry |
Kelp |
Large seaweed studied in biology |
Animal Names That Start with K
Here are some interesting animals whose names begin with the letter K:
Kangaroo |
Koala |
Kingfisher |
Kiwi |
Killer whale |
Kookaburra |
Komodo dragon |
Kangaroo rat |
Krill |
Kite (bird) |
Kob (antelope) |
Kusimanse |
Cool K Words for Kids
Some K words are fun to say and even more fun to use in games, stories, or drawings. Here are a few cool ones:
Kazoo |
Kangaroo |
Kickball |
Kitten |
Knight |
Kite |
Ketchup |
Key |
Kingdom |
Karate |
Koala |
Kayak |
Activities to Learn K Words
Learning K words can be exciting when kids get to play and imagine. Try these simple activities at home or in class:
- Storytelling with K Words - Ask your child to make up a short story using words like kite, kangaroo, and king.
- Worksheets & Word Matching - Match K words with their pictures (e.g., key → picture of a key).
- Tongue Twisters - Practice fun sentences such as: "King Kangaroo kept kicking kites kindly."
- Drawing & Coloring - Let kids draw a kite, koala, or key and write the word under the picture.
- Word Hunt - Spot things at home or outside that start with K (like kettle, ketchup, keychain).

The letter K is full of exciting words from everyday objects like key and kite to unique ones like kaleidoscope and kerfuffle. Learning these words helps kids grow their vocabulary, improve communication, and have fun at the same time.
Encourage your child to explore, play, and practice K words through stories, drawings, and games. Every new word they learn opens the door to creativity and confidence!
Related:
- Check out our blog on Words That Start With 'O' For Kids.
- Check out our blog on Common Two Letter Words for Kids.
- Check out our blog on 100+ Action Words in English for Kids.
- Check out our blog on List of Words Ending with ing.
- Check out our blog on 5 Letter Words That Start with S.
FAQs
1. What are common silent K words?
Words like know, knife, knee, knock, and knight have a silent K.
2. What are positive words with K?
Examples include kind, kindhearted, knowledgeable, and keen.
3. How can kids learn K words easily?
Through storytelling, word-matching games, drawing activities, and fun tongue twisters.
4. Are there science words that start with K?
Yes! Words like kelvin, kinetic, krypton, keratin, and karyotype.
5. What are some fun K words for kids?
Kazoo, kickball, kite, knight, and kangaroo are playful and easy to learn.