- lxviii
- linear programming
- liii
- lvi
- lii
- liv
- lv
- lviii
- lvii
- lxi
- lxii
- lxiii
- lxiv
- lxv
- lxvi
- lxvii
- lxxii
- lxxi
- lxxiii
- lxxiv
- lxxvii
- lxxvi
- lxxv
- lxxxii
- lxxxvi
- lxxxi
- lxxxiii
- lxxxv
- lxxxiv
- lxxxvii
- lips are sealed
- lip synchronisation
- live coal
- like a red rag to a bull
- lovely face
- lovely
- lister
- lister plough
- long life
- lonely hearts
- lonely
- light_mindedness
- lederers anaemia
- lancet
- latching
- leftward
- leftwards
- land rail
- lose out to
- lose temper