| A | B |
| catatonic (adj) | dazed, mentally out of touch; marked by stupor or immobility |
| cataclysm (n) | disaster, upheaval |
| catacombs (n) | underground cemetery |
| peripatetic (adj) | given to walking, moving from place to place |
| itinerant (adj) | traveling or moving from place to place; peripatetic |
| peripheral (adj) | outer, away from the center |
| periphery (n) | edge, outer part |
| perphrasis (n) | using more words than necessary; wordiness |
| paradox (n) | statement that appears false but is true; a seeming contradiction |
| paradigm (n) | an outstanding example; overall concept accepted by most people in an intelligent community |
| paragon (n) | model of excellence or perfection |
| parasite (n) | one which lives off another without contributing anything |
| para- | beside, next to, like |
| peri- | around |
| cata- | down |