| Adiaphorism | Tolerance of an action the Bible does not strictly prohibit. |
| Bruxism | Teeth grinding during sleep. |
| Dispensationalism | Belief in history as a sequence of divine arrangements. |
| Eremetism | Practice of living in seclusion. |
| Fortuitism | The belief that natural adaptations occur by chance, not design. |
| Joe Millerism | The practice of making bad or stale jokes. |
| Lipogrammatism | The practice of creating lipograms: writings that omit all words with a certain letter of the alphabet. |
| Mecism | Abnormal prolongation of a part of the body. |
| Mugwumpism | Acting as a political independent rather than a party member. |
| Nice-Nellyism | Prudishness. |
| Oslerism | The theory that a man is useless after the age of sixty. |
| Pantagruelism | Pejorative term for medicine. |
| Patripassianism | Christian doctrine that God shared the sufferings of Christ. |
| Polymastism | The presence of more than two breasts. |
| Psittacism | Repetitive, mechanical, meaningless speech. |
| Rhotacism | Faulty pronunciation of the letter R. |
| Slurvianism | Slurred speech. |
| Theanthropism | The act of being both God and man. |
| Xerophytism | Characteristics of a plant that can grow in dry conditions. |