Length = longeco.
Length, in = laÅ­longe.
Lengthen = plilongigi.
Leniency = malsevereco.
Lenient = malsevera.
Lent (40 days before Easter) = granda fasto.
Lentil = lento.
Leopard = leopardo.
Leper = leprulo.
Leprosy = lepro.
Leprous = lepra.
Less = malpli.
Lessee = luanto.
Lessen = plimalgrandigi.
Lesson = leciono.
Lessor = luiganto.
Let (house, etc.) = luigi.
Let (before an infinitive) = lasi.
Let down = mallevi.
Lethargy = letargio.
Letter, capital = granda litero.
Letter (alphabet) = litero.
Letter (epistle) = letero.
Letter (registered) = rekomendita letero.
Letter of advice = ricevavizo.
Letter of exchange = kambio.
Letter-box = poŝta kesto, leterkesto.
Letter-carrier (postman) = leteristo.
Letter-case = leterujo.
Lettuce = laktuko. [Error in book: latuko]