- Leave a nasty taste in the mouth
- Leave out
- Leave somebody on the sidelines
- Leave the door open
- Leaves and flowers
- Lecto divina
- Lecturers
- Lectureship
- Led
- Led astray
- Ledger
- Lee
- Leek
- Left side
- Left handed marriage
- Left off
- Left-handed
- Leftovers
- Legacy
- Legacy device
- Legal
- Legality
- Legalized
- Legally
- Legends
- Legislative
- Legit
- Leif
- Leisurely
- Lemming
- Lemon
- Lend able
- Lender
- Lengthen
- Lenore
- Lens
- Lent
- Lento
- Leo
- Leprous
- Lese-majeste
- Lesion
- Less
- Lessen
- Lesser
- Lessor
- Let alone
- Let down ones hair
- Let in
- Let off
- Let pass
- Let someone know
- Letdown
- Lethargic
- Letter of attorney
- Letter-paper
- Lettuce
- Leucoplast
- Leucorrhoea
- Levant
- Level-headed
- Leveller
- Levelness
- Lever
- Levitate
- Levity
- Levy
- Lewdness
- Liable
- Liaise
- Libation
- Libelling
- Libellous
- Liberal
- Liberal-party
- Liberalism
- Libertarian
- Libertine
- Licensing
- Licentiously
- Lichen logy
- Lick the wounds
- Lick up
- Licker
- Lickerish
- Licorice
- Lido
- Lie
- Lie down under
- Liege
- Lies in ruin
- Lies in ruins
- Lieu
- Lieutenant
- Life by
- Life imprisonment
- Life size
- Life span
- Life story
- Lifebelt