- last but not least
- last quarter
- live off the fat of the land
- live out
- live over
- live on the fat of the land
- life line
- lobate foot
- light reaction
- lucius cornelius sulla felix
- leptorhine
- leptorrhinian
- leptorrhin
- leptorrhinic
- light_haired
- loather
- lip reader
- lightning rod
- lightning never strikes twice
- lightning conductor
- lightning speed
- leo
- look_alike
- loose coupling
- lefty
- literate
- left_hander
- linguist
- lend a hand
- localism
- localised scleroderoma
- lingeringly
- long weekend
- lysergic acid diethyl
- lyshoim grid
- latakia
- llew llaw gyffes
- lllicium verum
- lloyd
- lose head
- lobster tail
- lobster hand
- lobscuse
- langoustine
- lobster a la newburg
- langouste
- lifebuoy
- lifeboat
- lumen of vein
- lumbosacral strain