- Ka
- Kaaba
- kabala
- kabbala
- kabbalah
- Kabbalism
- kabbalist
- kabbalistic
- kabob
- Kabolin
- Kabul
- Kach
- Kachaturian
- Kachin
- kachina
- Kachinic
- Kadai
- Kadai language
- Kadikoy
- kaffir
- kaffir boom
- kaffir bread
- kaffir cat
- kaffir corn
- Kaffir pox
- kaffiyeh
- kafir
- kafir corn
- Kafiri
- Kafka
- Kafkaesque
- Kafocin
- kaftan
- Kahane Chai
- kahikatea
- Kahlil Gibran
- Kahlua
- Kahn
- Kahoolawe
- Kahoolawe Island
- kai apple
- kail
- kainite
- kainogenesis
- Kaiser
- Kaiser Bill
- kaiser roll
- Kaiser Wilhelm
- Kakatoe
- Kakatoe galerita
- Kakatoe leadbeateri
- Kakemono
- kaki
- kakke disease
- kala azar
- kala-azar
- Kalaallit Nunaat
- Kalahari
- Kalahari Desert
- Kalamazoo
- kalansuwa
- kalantas
- Kalapooia
- Kalapooian
- Kalapuya
- Kalapuyan
- Kalashnikov
- Kalashnikov culture
- kale
- kaleidoscope
- kaleidoscopic
- kaleidoscopical
- kalemia
- kali
- kalian
- kalif
- Kalimantan
- Kalinin
- kaliph
- kaliuresis
- Kalka
- Kalki
- Kallmans syndrome
- kalmia
- Kalmia angustifolia
- Kalmia latifolia
- Kalmia polifolia
- Kalon Tripa
- Kalotermes
- Kalotermitidae
- kalpac
- Kaluga
- kalumpang
- kaluresis
- Kam Muang
- Kam-Sui
- Kam-Tai
- Kama
- Kamarupan
- Kamasutra
- Kamba
- Kamchatka Peninsula
- Kamchatkan sea eagle
- kameez
- Kamehameha I
- Kamehameha the Great
- Kamet
- Kami
- Kamia
- kamikaze
- Kammon Strait Bridge
- Kampala
- kampong
- Kampuchea
- Kampuchean
- Kan River
- kanaf
- kanamycin
- Kananga
- Kanara
- Kanarese
- Kanawha
- Kanawha River
- Kanchanjanga
- Kanchenjunga
- kanchil
- Kandahar
- Kandinski
- Kandinsky
- Kandy
- kangaroo
- kangaroo apple
- kangaroo bear
- kangaroo court
- kangaroo hare
- kangaroo jerboa
- kangaroo mouse
- kangaroo paw
- kangaroo rat
- kangaroo-foot plant
- kangaroos paw
- kangaroos-foot
- Kannada
- Kannada-speaking
- Kansa
- Kansan
- Kansas
- Kansas City
- Kansas River
- Kansu
- Kant
- Kantian
- Kantrex
- kanzu
- Kaochlor
- kaoliang
- kaolin
- kaoline
- kaolinite
- kaon
- Kaopectate
- kapeika
- kaph
- Kaplan Group
- kapok
- Kaposis sarcoma
- Kaposis varicelliform eruption
- kappa
- kappa-meson
- Kapsiki
- kapuka
- kaput
- Kara Kum
- Kara Sea
- karabiner
- Karachi
- Karaites
- Karakalpak
- Karakoram
- Karakoram Range
- Karakorum Range
- karakul
- karaoke
- karat
- karate
- karaya gum
- Karbala
- Karel Capek
- Karelia
- Karelian
- Karelian Isthmus
- Karen
- Karen Blixen
- Karen Danielsen Horney
- Karen Horney
- Karenic
- Karl Adolf Eichmann
- Karl Adolph Verner
- Karl Alex Muller
- Karl Augustus Menninger
- Karl Baedeker
- Karl Barth
- Karl Czerny
- Karl Friedrich Gauss
- Karl Friedrich Hieronymus von Munchhausen
- Karl Gauss
- Karl Gjellerup
- Karl Gunnar Myrdal
- Karl Gustav Jacob Jacobi
- Karl Jaspers
- Karl Landsteiner
- Karl Linne
- Karl Marx
- Karl Menninger
- Karl Popper
- Karl Rudolf Gerd von Rundstedt
- Karl Scheele
- Karl Theodor Jaspers
- Karl von Clausewitz
- Karl von Frisch
- Karl Waldemar Ziegler
- Karl Wernicke
- Karl Wilhelm Scheele
- Karl Wilhelm Siemens
- Karl-Marx-Stadt
- Karlfeldt
- Karloff
- karma
- Karnataka
- Karok
- Karol Wojtyla
- Karpov
- Karsavina
- Kartik
- Kartikeya
- Karttika
- Karttikeya
- karyokinesis
- karyokinetic
- karyolymph
- karyolysis
- karyon
- karyoplasm
- karyotype
- Kasai
- Kasai River
- kasbah
- kasha
- Kashag
- Kashmir
- Kashmir goat
- Kashmiri
- Kaspar Friedrich Wolff
- Kasparov
- Kassite
- Kastler
- kat
- katabatic
- katabatic wind
- katabolic
- katabolism
- katamorphism
- Katar
- Katar Peninsula
- Katari
- Kate Chopin
- Kate OFlaherty Chopin
- Kate Smith
- Katharevusa
- Katharine Hepburn
- Katharine Houghton Hepburn
- katharobe
- katharobic
- katharometer
- katharsis
- Katherine Anne Porter
- Katherine Cornell
- Katherine Mansfield
- Kathleen Mansfield Beauchamp
- Kathmandu
- Kathryn Elizabeth Smith
- Katmai National Park
- Katmandu
- Katowice
- Katsina
- katsura tree
- Katsushika Hokusai
- Katsuwonidae
- Katsuwonus
- Katsuwonus pelamis
- Kattegatt
- katydid
- katzenjammer
- Kauai
- Kauai Island
- Kaufman
- Kaunas
- Kaunda
- kauri
- kauri copal
- kauri gum
- kauri pine
- kauri resin
- kaury
- kava
- kavakava
- Kavir Desert
- Kavrin
- Kaw River
- kawaka
- Kawasaki disease
- Kay Boyle
- kayak
- kayo
- kayoed
- Kayser-Fleischer ring
- Kazak
- Kazakh
- Kazakhstan
- Kazakhstani
- Kazakhstani monetary unit
- Kazakstan
- Kazan
- Kazimir Malevich
- Kazimir Severinovich Malevich
- kazoo