| 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 |