K
- Kudos – glory, praise
- Ken – range of knowledge
- Kernel – central or vital part
- Killjoy – spoilsport, one who intentionally spoils the pleasure of other
- Kindle – start a fire, ignite
- Kinetic – related to motion
- Knave – untrustworthy person
- Knead – massage or squeeze with hands
- Kneel – go down on one’s knee
- Knotty – intricate, difficult, tangled