| A | B | 
|---|
| antibiotic | a medicine that fights living bacteria | 
| aristocracy | rule of the highest social class | 
| astrophobia | fear of stars | 
| autocrat | "ruler of oneself" | 
| autonomous | relating to self-rule | 
| benefit | something that enhances well-being | 
| chronology | a study of time sequence | 
| cosmopolite | world citizen | 
| cryptology | study of secret messages | 
| demography | the science of recording people | 
| geocentric | Earth as the center of the universe | 
| Heliopolis | city of worship for sun god | 
| herbicide | a substance used to kill plants (weeds) | 
| hydrophobia | fear of water | 
| hyperthermia | above-normal body temperature | 
| hypothermia | below-normal body temperature | 
| megalopolis | greatest concentration of citizens | 
| microphone | small sound | 
| misanthrope | a person who hates mankind | 
| misnomer | a wrong name | 
| monarch | chief ruler | 
| monogamous | based on one marriage at a time | 
| moronic | foolish | 
| pathetic | marked by suffering | 
| pedal | a foot-operated lever | 
| philosopher | lover of wisdom | 
| photophobia | fear of light | 
| polygraph | "many records" | 
| pseudopod | false foot | 
| psychogenic | having its origin (birth) in mind | 
| pyre | fire used to cremate corpses | 
| sophisticated | wise in the ways of the world | 
| synonym | words that mean the same thing | 
| telegram | written communication that is sent | 
| telescope | an instrument to see far away | 
| thermometer | instrument that measures heat |