- kaolinise
- kaolinite
- kaolinization
- kaolinize
- kaolinized
- kaonic atom
- kapellmeister
- kaper
- kaph
- kapok
- kapok oil
- kappa
- kappa curve
- kapur
- kaput
- kar
- karabiner
- karakul
- karaoke
- karat
- karate
- karaya gum
- karelian
- karen
- karma
- karman number
- karoo
- kaross
- karri
- karst
- karst cave
- karst cavern
- karst depreciation
- karst depression
- karst funnel
- karst lake
- karst river
- karst topography
- karst valley
- karstenite
- karstic
- karstic phenomenon
- karstic reservoir
- karstic spring
- kart
- kartel
- kartell
- karting
- karylnite
- karyoblast
- karyochrome
- karyocyte
- karyogenic
- karyokinesis
- karyokinetic
- karyokinetic spindle
- karyolisis
- karyology
- karyolymph
- karyolysis
- karyolytic
- karyomicrosome
- karyomit
- karyomorphism
- karyophage
- karyoplasm
- karyoplast
- karyopyknotic
- karyorrhexis
- karyota
- karyotype
- karysome
- karzy
- kasbah
- kashmiri
- kashruth
- kat
- kata
- katabatic
- katabolism
- katabothron
- katadioptric
- katagenesis
- katakana
- katalitromasis
- katamorphic
- katamorphism
- katathermometer
- katharevusa
- katharsis
- kathode
- kation
- katogene
- katsura
- katytid
- kauri
- kava
- kavass
- kayak
- kayo