| A | B |
| 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 |