| A | B |
| monarch | a ruler, as a king, queen, or emperor |
| monocle | an eyeglass for one eye only |
| monopoly | complete control of a product or service in some place by a single person or group |
| monoplane | a plane with only one pair of wings |
| mortal | must die at some time |
| mortician | funeral director |
| immortal | never dying; living forever |
| pseudonym | a name used by a writer or other person in place of the real name |
| synonym | a word having the same or almost the same meaning as another |
| synonymous | of the same or almost the same meaning |
| anonymous | whose name is not known |
| compassion | a feeling of being sorry for others and wanting to help them |
| pathetic | causing or deserving pity |
| psychopath | a person with a mental illness, especially one who does cruel or criminal acts |
| telepathy | the supposed sending of messages from one mind to another, without the help of speech or sight |