42 Nouns That Start With "K"
42 curated nouns that start with "K".
Below are 42 nouns that start with "K" in our curated English dictionary. Each entry includes a learner-friendly definition, IPA pronunciation, CEFR difficulty level, and example sentences. Words are sorted by frequency — the most common first. Click any word to view its full dictionary entry with synonyms, collocations, and common mistakes.
Most Common Nouns That Start With "K" (Top 1k)
Less Common Nouns That Start With "K" (Top 5k+)
-
King /kɪŋ/noun A1
A man who rules a country or kingdom; the most important male leader in a monarchy.
-
Kiss /kɪs/noun A1
When you touch someone with your lips, usually to show love, affection, or as a greeting.
-
Knee /niː/noun A1
The part of your leg that bends in the middle, between your upper and lower leg.
-
Knife /naɪf/noun A1
A sharp tool with a handle that you use for cutting things like food or other materials.
-
Knight /naɪt/noun A2
A warrior from the Middle Ages who served a king or queen.
-
Kangaroo /ˌkæŋɡəˈruː/noun A2
A large marsupial from Australia with big back legs and a long tail that moves by jumping.
-
Kebab /kəˈbæb/noun A2
Cooked meat or vegetables on a stick
-
Ketchup /ˈkɛtʃəp/noun A2
A thick red sauce made from tomatoes that you put on food
-
Kettle /ˈketəl/noun B1
A container you use to boil water for tea or coffee
-
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.
-
Keypad /ˈkiːpæd/noun B1
A set of buttons on a device used to enter numbers or control something
-
Keyword /ˈkiːwɜːd/noun B1
An important word or phrase you use to search for information online
-
Kindergarten /ˈkɪndəɡɑːtən/noun B1
A school for very young children, usually ages 3-5 years old
-
Kingdom /ˈkɪŋdəm/noun A2
A country or land that is ruled by a king or queen as its leader.
-
Kit /kɪt/noun A2
A set of tools or supplies needed for a particular task; also a young animal like a fox
-
Kitchen /ˈkɪtʃən/noun A1
The room where you cook and prepare meals in a house or building.
-
Kite /kaɪt/noun A1
A toy made of paper or cloth that flies in the wind on a string; also a type of bird
-
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
-
Kaleidoscope /kəˈlaɪdəskəʊp/noun B2
A toy tube you look through that shows colourful changing patterns; or anything that changes constantly
-
Kanban /kænˈbɑːn/noun B2
A way to organize and track work using cards on a board that show what needs doing, is being done, and is finished.
-
Keel /kiːl/noun C1
The flat bottom part of a ship that keeps it stable in water
-
Kennel /ˈkenəl/noun B2
A small house or cage where a dog sleeps and lives
-
Kernel /ˈkɜːrnəl/noun B2
The most important part of an operating system that controls everything your computer does.
-
Keynote /ˈkiːnəʊt/noun B2
The main idea or most important point; also a main speech at a conference
-
Khaki /ˈkɑːki/noun B2
A light brownish-yellow colour; or cloth in this colour, often used for uniforms
-
Kilometer /ˈkɪləˌmiːtər/noun A1
A measure of distance equal to 1,000 meters; used to measure long distances like between cities.
-
Kink /kɪŋk/noun C1
A tight twist in a rope or hair; or a small problem or unusual preference
-
Kinship /ˈkɪnʃɪp/noun C1
Family relationship; or a feeling of connection with people who share your values or interests
-
Kiosk /kiːˈɒsk/noun B2
A small shop or booth; also a computer terminal where you can get information
-
Knack /næk/noun C1
A natural talent or special skill for doing something well
-
Knapsack /ˈnæpsæk/noun B2
A small backpack worn on your shoulders to carry items
-
Knob /nɒb/noun B2
A round handle or button you turn to control something; a small rounded lump on something
-
Knowledge /ˈnɑlɪdʒ/noun A2
Information and understanding that someone has learned or knows about something.
-
Knuckle /ˈnʌkəl/noun B2
The bony joint on your finger that sticks out when you make a fist
-
Kpi /keɪ.piː.aɪ/noun C1
A number or measurement that shows if you're doing your job well. For example, customer satisfaction score is a KPI for a customer service team.
-
Kubernetes /ˌkuːbərˈnetɪs/noun B2
A tool that manages containerized software applications automatically across multiple computers to ensure they run smoothly.
-
Kudos /ˈkjuːdɒs/noun C1
Praise and recognition you receive for doing something well or accomplishing something
-
Kairos /ˈkaɪərɑs/noun C2
The perfect moment or right time for action; the opportune moment when something will work.
-
Karma /ˈkɑrmə/noun C2
The idea that actions have consequences; what you do comes back to you in this life or future lives.
-
Kleptocracy /kleptˈɑːkrəsi/noun C2
A government system where rulers steal from the state and abuse power for personal enrichment rather than public good.
How to Use Nouns That Start With "K"
Nouns that start with "K" can act as the subject, object, or complement of a sentence. Pay attention to whether each noun is countable or uncountable — countable nouns take "a/an" and have plural forms (cat → cats), while uncountable nouns (water, advice) do not. The CEFR badge on each card tells you when learners typically meet the word; A1-A2 nouns are essential for everyday conversations, B1-B2 are common in news and writing, and C1-C2 nouns appear in academic and specialised texts.
Longest Noun That Start With "K"
A school for very young children, usually ages 3-5 years old
Frequently Asked Questions About Nouns That Start With "K"
- How many nouns that start with "K"?
- Our curated dictionary lists 42 nouns that start with "K", each with a definition, IPA, CEFR level, and example sentences. The list grows as new entries are reviewed.
- What are the most common nouns that start with "K"?
- Some of the most frequent nouns that start with "K" include KEY, KID. These appear in everyday English and are useful for both beginners (A1-A2) and intermediate learners.
- What is noun?
- A noun is a word for a person, place, thing, idea, or quality. Nouns are the building blocks of every sentence and act as subjects, objects, or complements.
- What is the longest noun that start with "K"?
- The longest noun that start with "K" in our dictionary is "KINDERGARTEN" (12 letters). Tap the word to see its full entry.