Here is a list of nouns that start with LA.

lab, label, labor, laboratory, laborer

labour, labyrinth, lace, lack, lacquer

lactate, lad, ladder, ladle, lady

lag, lagoon, laity, lake, lamb

lament, laminate, lamp, lamplight, lance

land, landau, landing, landlord, landmark

landscape, landslide, lane, language, lantern

lanthanum, lap, lapel, lapidary, lapse

larceny, lard, larder, large, largesse

lark, larkspur, larvae, lash, lasso

last, latch, latex, lath, lathe

lather, latitude, lattice, laudanum, laugh

laughter, launch, launcher, launching, laundering

laundry, laureate, laurel, lava, lavatory

lavender, law, lawmaking, lawman, lawmen

lawn, lawsuit, lawyer, laxative, layer

layette, laying, layman, laymen, layout

Hope you enjoy this page of nouns that start with la and the rest of this noun list a-z site as well.