Nouns

(n)liter, litre, l, cubic decimeter, cubic decimetrea metric unit of capacity, formerly defined as the volume of one kilogram of pure water under standard conditions; now equal to 1,000 cubic centimeters (or approximately 1.75 pints)
(n)L, lthe 12th letter of the Roman alphabet

Adjectives

(s)fifty, 50, lbeing ten more than forty