- Difference between medieval and renaissance
- Difference between metropolitan and cosmopolitan
- Difference between meditation and prayer
- Difference between moss and mold
- Difference between monopoly and oligopoly
- Difference between magic and illusion
- Difference between monologue and soliloquy
- Difference between maturity and immaturity
- Difference between magnetism and electromagnetism
- Difference between multinational and transnational
- Difference between moral and immoral
- Difference between mountain and plateau
- Difference between monomer and polymer
- Difference between melody and rhythm
- Difference between mystery and suspense
- Difference between mercy and compassion
- Difference between mythology and religion
- Difference between modernism and postmodernism
- Difference between microevolution and macroevolution
- Difference between meticulous and scrupulous
- Difference between multiculturalism and pluralism
- Difference between macroeconomics and microeconomics
- Difference between microbes and bacteria
- Difference between mammals and amphibians
- Difference between mammals and reptiles
- Difference between moon and planet
- Difference between men and women
- Difference between Mixing and Blending
- Difference between Matter and Energy
- Difference between Myth and Legend
- Difference between Mysticism and Spirituality
- Difference between Motivation and Inspiration
- Difference between Mortal and Immortal
- Difference between Muhammad and Jesus