- 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
- karlfeldt
- karl-marx-stadt
- 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 o'flaherty 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
- kb
- kbit
- kbo
- kc
- k-dur 20
- kea
- kean
- keaton
- keats
- keb
- kebab
- keble
- kechua
- kechuan
- kedgeree
- keel
- keel arch
- keel over
- keelboat
- keeled
- keeled garlic
- keel-shaped
- keelson
- keen
- keen-eyed
- keenly
- keenness
- keen-sighted
- keep
- keep abreast
- keep an eye on
- keep apart
- keep away
- keep back
- keep company
- keep down
- keep going
- keep guard
- keep in
- keep in line
- keep mum
- keep note
- keep off
- keep on
- keep one's distance
- keep one's eyes off
- keep one's eyes open
- keep one's eyes peeled
- keep one's eyes skinned
- keep one's hands off
- keep one's mouth shut
- keep one's nose to the grindstone
- keep one's shoulder to the wheel
- keep open
- keep out
- keep pace
- keep quiet
- keep step
- keep tabs on
- keep to oneself
- keep track
- keep up
- keeper
- keeping
- keepsake
- keeshond
- keflex
- keflin
- keftab