| A | B |
| pyro | fire |
| mort | death |
| onym | name |
| pseudo | false |
| mega | great |
| mania | uncontrollable urge |
| pyromania | uncontrollable impulse to start fires |
| pyrophobia | fear of fire |
| Pyrex | brand of ovenproof glassware |
| pyre | combustible heap, especially for burning a corpse |
| pyrotechnics | the art of making and using fireworks |
| megaphone | cone-shaped or horn-shaped device used to project the voice |
| megalopolis | region made up of several large cities and their surrounding areas |
| megalomania | psychopathological condition marked by fantasies of self-grandeur and omnipotence |
| megaton | unit of explosive force to one million tons of TNT |
| synonym | word having a meaning similar to that of another word |
| antonym | word having a meaning opposite to that of another word |
| homonym | one or two or more words that have the same sound and often the smae spelling but differ in meaning |
| pseudonym | false name, pen name, especially of an author |
| acronym | name formed from the initial letters of a name or by combining initial letters or parts of a series of words |
| mortal | subject to death; person, human being; causing death, fatal; implacable, unrelenting, as in a mortal enemy |
| immortal | not subject to death; having eternal fame; imperishable; gods of Greek and Roman pantheon |
| morgue | place in which the bodies of persons found dead are temporarily kept |
| mortuary | place where dead bodies are prepared or kept prior to burial or cremation |
| mortify | to shame, humiliate; to discipline one's body and appetites by self-denial; to cause gangrene or become gangrenous |
| mortgage | the pledging of property to a creditor as security for the payment of the debt |