- juvenile offenders
- kaki
- kaleidoscopic packaging
- kangaroo ship
- keelboat
- keen prices
- keep
- keep cool
- keep dry
- keep upright
- Keogh plan
- kerb exchange
- kernel maturity
- kettle ketchup
- key
- key buyer
- key currency
- key money
- key post
- key prospects
- key rate
- keying accuracy
- keying error
- Keynes Plan
- Keynesian economics
- Keynesian theory
- kibbled cake
- kick
- kicker kin
- kidney end
- kill
- killer bees
- killing bed
- killing machinery
- killing tools
- kilo
- kilobyte
- kilogramme
- kilometer
- kiloton
- kilowatt-hour
- king
- king mackerel
- king" highway
- kip skin
- kippered herrring
- Kirschner test
- kiss
- kit
- kitchen
- kitchen-stuff
- kitchin cycle
- kite
- kite-flying
- kitting
- knackwurst sausage
- kneading
- kneading machine
- knickknack
- knife disk
- knife shaft
- knob celeriac
- knoblauch sausage
- knock-down
- knock-off
- knockdown
- knockdown export
- knocking hammer
- knocking pen
- knockout
- knockout agreement
- knockout price
- knot
- kaiser roll
- kaleidoscope packaging
- Kalman filtering
- Kampala
- kampuchean
- kangaroo court
- kaper
- Katmandu
- keel
- keen competition
- keep accounts
- keeping expenses
- keg beer
- kelp product
- kelt
- Kennedy Round
- Kenya
- kerb broker
- kerb dealing
- key industry
- key ledger
- key man
- key product
- key ratio
- key reversal
- key workers
- keyboard