1,621 Words That Start With "K"
1,621 words that start with "K" in our 199K-word dictionary.
Browse the complete list of 1,621 English words starting with "K". Each word in the grid below shows its IPA pronunciation, CEFR difficulty level (A1 beginner up to C2 mastery), and a one-line plain-English definition. Click any word to open its full dictionary entry. Use the filters to narrow by length, part of speech, or learner level.
Most Common Words That Start With "K" (Top 1k)
Less Common Words That Start With "K" (Top 5k+)
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Kangaroo /ˌkæŋɡəˈruː/noun A2
A large marsupial from Australia with big back legs and a long tail that moves by jumping.
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Karma /ˈkɑrmə/noun C2
The idea that actions have consequences; what you do comes back to you in this life or future lives.
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Kebab /kəˈbæb/noun A2
Cooked meat or vegetables on a stick
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Keel /kiːl/noun C1
The flat bottom part of a ship that keeps it stable in water
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Keen /kiːn/adj B2
Very interested and wanting to do something; or sharp-edged
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Kennel /ˈkenəl/noun B2
A small house or cage where a dog sleeps and lives
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Kernel /ˈkɜːrnəl/noun B2
The most important part of an operating system that controls everything your computer does.
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Ketchup /ˈkɛtʃəp/noun A2
A thick red sauce made from tomatoes that you put on food
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Kettle /ˈketəl/noun B1
A container you use to boil water for tea or coffee
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Keyboard /ˈkiːbɔːrd/noun A1
A board with many buttons (keys) that you press with your fingers to type on a computer or play a musical instrument.
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Keynesian /ˈkeɪnziən/adj C2
Based on the economic ideas of Keynes, who believed that government should spend money during recessions to create jobs and stabilize the economy.
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Keynote /ˈkiːnəʊt/noun B2
The main idea or most important point; also a main speech at a conference
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Keypad /ˈkiːpæd/noun B1
A set of buttons on a device used to enter numbers or control something
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Keyword /ˈkiːwɜːd/noun B1
An important word or phrase you use to search for information online
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Khaki /ˈkɑːki/noun B2
A light brownish-yellow colour; or cloth in this colour, often used for uniforms
583 More Words That Start With "K" (definitions coming soon)
Words That Start With "K" by Length
2 Letter Words That Start With "K" (16)
See all 16 2-letter words that start with "K" →
3 Letter Words That Start With "K" (40)
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Key /kiː/noun A1
A small metal object that you use to open and close locks on doors and other things.
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Kid /kɪd/noun A1
A young child; a boy or girl who is not yet an adult.
See all 40 3-letter words that start with "K" →
4 Letter Words That Start With "K" (138)
See all 138 4-letter words that start with "K" →
5 Letter Words That Start With "K" (208)
See all 208 5-letter words that start with "K" →
6 Letter Words That Start With "K" (286)
See all 286 6-letter words that start with "K" →
7 Letter Words That Start With "K" (280)
See all 280 7-letter words that start with "K" →
8 Letter Words That Start With "K" (237)
See all 237 8-letter words that start with "K" →
9 Letter Words That Start With "K" (180)
See all 180 9-letter words that start with "K" →
10 Letter Words That Start With "K" (109)
See all 109 10-letter words that start with "K" →
11 Letter Words That Start With "K" (65)
See all 65 11-letter words that start with "K" →
12 Letter Words That Start With "K" (28)
See all 28 12-letter words that start with "K" →
13 Letter Words That Start With "K" (20)
See all 20 13-letter words that start with "K" →
14 Letter Words That Start With "K" (10)
See all 10 14-letter words that start with "K" →
15 Letter Words That Start With "K" (4)
Words That Start With "K" by Part of Speech
Nouns That Start With "K" (42)
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Key /kiː/noun A1
A small metal object that you use to open and close locks on doors and other things.
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Kid /kɪd/noun A1
A young child; a boy or girl who is not yet an adult.
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King /kɪŋ/noun A1
A man who rules a country or kingdom; the most important male leader in a monarchy.
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Kiss /kɪs/noun A1
When you touch someone with your lips, usually to show love, affection, or as a greeting.
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Knee /niː/noun A1
The part of your leg that bends in the middle, between your upper and lower leg.
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Knife /naɪf/noun A1
A sharp tool with a handle that you use for cutting things like food or other materials.
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Knight /naɪt/noun A2
A warrior from the Middle Ages who served a king or queen.
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Kangaroo /ˌkæŋɡəˈruː/noun A2
A large marsupial from Australia with big back legs and a long tail that moves by jumping.
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Kebab /kəˈbæb/noun A2
Cooked meat or vegetables on a stick
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Ketchup /ˈkɛtʃəp/noun A2
A thick red sauce made from tomatoes that you put on food
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Kettle /ˈketəl/noun B1
A container you use to boil water for tea or coffee
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Keyboard /ˈkiːbɔːrd/noun A1
A board with many buttons (keys) that you press with your fingers to type on a computer or play a musical instrument.
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Keypad /ˈkiːpæd/noun B1
A set of buttons on a device used to enter numbers or control something
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Keyword /ˈkiːwɜːd/noun B1
An important word or phrase you use to search for information online
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Kindergarten /ˈkɪndəɡɑːtən/noun B1
A school for very young children, usually ages 3-5 years old
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Kingdom /ˈkɪŋdəm/noun A2
A country or land that is ruled by a king or queen as its leader.
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Kit /kɪt/noun A2
A set of tools or supplies needed for a particular task; also a young animal like a fox
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Kitchen /ˈkɪtʃən/noun A1
The room where you cook and prepare meals in a house or building.
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Kite /kaɪt/noun A1
A toy made of paper or cloth that flies in the wind on a string; also a type of bird
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Knot /nɒt/noun B1
A tied fastening in rope or string; a problem or hard lump in wood; also a measurement of speed at sea
See all 42 nouns that start with "K" →
Verbs That Start With "K" (10)
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Keep /kiːp/verb A1
To have something and not lose it or give it to someone else; to hold onto something.
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Know /noʊ/verb A1
To understand or have information about something; to be familiar with someone or a place.
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Kick /kɪk/verb A1
To hit something with your foot by moving your leg quickly and powerfully.
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Kill /kɪl/verb A1
To cause death; to end someone or something's life.
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Knock /nɑk/verb A2
To tap or hit something, usually a door, to get someone's attention.
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Knit /nɪt/verb B1
To make clothes or blankets from wool using two needles; or to join things closely
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Kindle /ˈkɪndəl/verb C1
To start a fire; or to awaken feelings or interest in someone
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Knead /niːd/verb B1
Press and push dough with your hands to make bread, pizza, or pastry.
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Kneel /niːl/verb B2
To go down and rest your weight on your knees, often as a sign of respect or prayer.
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Kowtow /ˈkaʊtaʊ/verb C2
To behave in an overly submissive or obedient way towards someone; to show excessive respect
See all 10 verbs that start with "K" →
Adjectives That Start With "K" (7)
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Kind /kaɪnd/adj A1
Nice and caring toward others; showing that you want to help people.
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Keen /kiːn/adj B2
Very interested and wanting to do something; or sharp-edged
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Keynesian /ˈkeɪnziən/adj C2
Based on the economic ideas of Keynes, who believed that government should spend money during recessions to create jobs and stabilize the economy.
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Kindred /ˈkɪndred/adj C1
Related to family; or sharing the same interests and feelings
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Kinetic /kɪˈnetɪk/adj C1
Related to movement or motion; full of energy and activity
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Knowing /ˈnəʊɪŋ/adj B2
Showing that you understand something; suggesting you know a secret or have special knowledge
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Kosher /ˈkəʊʃə/adj C1
Prepared according to Jewish dietary laws; also meaning legitimate or acceptable
See all 7 adjectives that start with "K" →
Adverbs That Start With "K" (0)
No adverbs entries yet — coming soon.
How to Use Words That Start With "K"
Scrabble and Word Games
In Scrabble and Words With Friends, words starting with "K" can be valuable when you need to play through an existing tile on the board. Higher-tier letters like J, Q, X, and Z multiply your score quickly when stacked on bonus squares — scan the list below for short words that contain them. Two and three-letter words starting with "K" are especially useful for parallel plays where you build along an existing word and earn points for every adjacent tile.
Crossword Puzzles
For crossword puzzles, the most useful entries are mid-length common words — 5 to 8 letters — that fit standard grid patterns. Filter the list by length to match the cells in your clue. Pay attention to the CEFR level: clues from mainstream newspapers favour B1–B2 vocabulary, while themed and cryptic puzzles draw on rarer C1 and C2 words. The IPA shown on each card also helps confirm a guess — a clue marked "two syllables" should match a word with a simple stress pattern.
Creative Writing and Poetry
Writers and poets often look for groups of words starting with "K" to build alliteration, rhythm, or near-rhymes. Sort the list by length, scan the rare and C1+ words for fresh imagery, and use the linked dictionary entries to confirm connotation before you commit. The plain-English definitions are intentionally short so you can scan dozens of options without losing flow.
Longest Word That Start With "K"
Frequently Asked Questions About Words That Start With "K"
- How many words starting with "K"?
- There are 1,621 words starting with "K" in our 199,000-word English dictionary. The list ranges from common everyday words to rarer specialised vocabulary.
- What is the longest word starting with "K"?
- The longest word starting with "K" in our list is "KAFFEEKLATSCHES" — 15 letters long. Tap the word to see its full definition.
- Are these words valid in Scrabble?
- Most of the words in this list are valid in Scrabble and similar word games (we cross-reference standard tournament dictionaries). A handful of proper nouns and very rare technical terms may not be — when in doubt, double-check with the official Scrabble dictionary used in your league.
- How many 5-letter words starting with "K"?
- 208 5-letter words starting with "K" — useful for Wordle, daily puzzles, and short crosswords. Filter by length above to see only 5-letter results.