| A | B |
|---|
| Monotone | a speech in which every word has one tone of voice |
| Monochrome | having one color |
| Monolith | one single stone monument |
| Monophobia | fear of being alone |
| Monorail | a track for subway or train cars that only has one rail |
| Monolingual | speaking only one language |
| Monosyllabic | having only one syllable |
| Monopoly | control of a product by one company |
| Monocle | an eyeglass for one eye |
| Monologue | a long speech given by one person |
