Knows vs. Nose
Last vs. Latter
Later vs. Latter
Lay vs. Lie
Leach vs. Leech
Lead vs. Led
Leave vs. Let
Lend vs. Loan
Lessen vs. Lesson
Liable vs. Libel
Lightening vs. Lightning
Light vs. Lite
Literally vs. Figuratively
Loan vs. Lone
Loath vs. Loathe
Loose vs. Lose
Madam vs. Madame
Madame vs. Madam
Made vs. Maid
Magical vs. Magic