- Kidnappee Noun
- Kidnapper Noun
- Kidnapping Noun Pres. Participle Adj
- Kidney Noun Adj
- Kids Noun
- Kidskin Noun Adj
- Kidult Noun Adj
- Kidvid Noun Adj
- Kief Noun Adj Pnoun
- Kielbasa Noun Adj
- Kieselguhr Noun Adj
- Kieserite Noun Adj
- Kiester Noun Verb
- Kiev Noun Pnoun Adj
- Kiilling
- Kike Noun Verb Adj
- Kildare Pnoun
- Kilderkin Noun Adj
- Kilimanjaro Pnoun
- Kilkenny Noun Pnoun Adj
- Kill Noun Verb Adj
- Kill back Verb
- Kill off Verb
- Killability Noun Adj
- Killable Adj
- Killas Noun Adj
- Killdeer Noun
- Killed Past Participle Noun
- Killer Noun Adj
- Killick Noun Pnoun
- Killifish Noun Adj
- Killing Noun Adj
- Killingly Adv
- Killjoy Noun Adj
- Kiln Noun Verb
- Kilning Noun Pres. Participle
- Kilo Noun Adj Pnoun
- Kilo-ohm Noun Adj
- Kiloampere Noun Adj
- Kilobar Noun Adj
- Kilobaud Noun Adj
- Kilobit Noun Adj
- Kilobyte Noun Adj
- Kilocalorie Noun Adj
- Kilocurie Noun Adj
- Kilocycle Noun Adj
- Kilodalton Noun Adj
- Kilodyne Noun Adj
- Kiloelectronvolt Noun Adj
- Kilogauss Noun Adj
- Kilogram Noun Adj
- Kilogram-meter Noun Adj
- Kilogrammeter Noun
- Kilogrammetre Noun
- Kilohenry Noun Adj
- Kilohertz Noun Adj
- Kilohm Noun Adj
- Kilojoule Noun Adj
- Kiloliter Noun Adj
- Kilolitre Noun Adj