lūdus, ī, m., play, sport; a game, esp. (in pl.) the public games, consisting of chariot races, gladiatorial combats, and theatrical performances.
lūgeō, ēre, lūxī, lūctus, to grieve; grieve for, mourn, lament.
lūgubris, e [lūgeō], adj., mournful.
lūmen, inis [cf. lux], n., light.
lūna, ae [cf. lūx], f., the moon.
lupa, ae, f., a she-wolf.
lūstrō, āre, āvī, ātus, to purify, cleanse; to review, inspect.
lūx, lūcis, f., light, daylight, day; prīmā lūce, at dawn.
lūxuria, ae [lūxus], f., luxury, excess.
lūxus, ūs, m., excess, luxury, self-indulgence.