How about a ladle? Leftovers? Lemon? Lid? Light?
Ladle
ladle
Lemons, Lemonade, Limes, Lemon juice, and Lime juice
Ladle Lentils
Leukemia is something sad that starts with "l".
Lemons, limes, liquid, lamb, leeks, liquor, liqueur, lights, leafs
Igloo
Leprechaun
Lamp
Something you do at school starting with L would be Learn.
Lemon, Light, Lysol
Lager, lemonade, lime.