| Symphonie | symphony |
| Sympathie | sympathy liking |
| Symphyse | symphysis |
| Tympanie | bloat |
| Nymphomanie | nymphomania |
| Dysphorie | dysphoria |
| Aphonie | aphonia |
| Euphonie | euphony |
| Homophonie | homophony |
| Mahonie | Oregon grape |
| Simonie | simony |
| Synchronie | synchrony |
| Stephanie | Stephanie |
| Symbologie | symbology |
| Sympodium | sympodium |
| Asymptote | asymptote |
| Symbiont | symbiont |
| Symbiose | symbiosis |
| Symmetrie | symmetry |
| Symposion | symposium |