| A | B |
| precipitation | any form of water that condenses in the atmosphere and falls back to earth |
| perspective | a view or the way something looks from some one''s point of view |
| preservation | to save, keep or take care of something |
| procure | to obtain or aquire |
| perception | becoming aware of something through the senses, especially sight or hearing |
| preview | an advance showing of a motion picture, art exhibit or play to a specially invited audience |
| prehistoric | of or belonging to the time before history or the events were recorded in writing |
| prohibit | to make unlawful or forbid |
| permanent | lasting or meant to last indefinitely |
| permission | consent or authorization |
| proceed | to go forward or onward |
| project | a special study or experiment |
| profession | an occupation or kind of regular work |
| progress | steady improvement |
| predict | to tell or make known in advance |
| prepare | to make ready for some purpose |
| persuade | to cause someone to either do or believe something; to convince |
| product | something produced or manufactured |
| perfume | a fragrant liquid distilled from flowers or prepared by synthetic means |
| previous | existing prior to something else |
| process | a series of steps, actions, or operations |
| prepaid | paid for in advance |
| persist | to insist or repeat continuously |
| prospect | something expected or forseen |
| promise | to make a vow |