| A | B |
|---|
| protagonist | the main character in a literary work |
| protocol | an original copy or record of a document |
| protocol | a code of diplomatic or military rules of behavior |
| protoplasm | the substance that makes up the living parts of cells |
| prototype | an original model on which something is patterned |
| prototype | a first, full-scale, usually working version of a new type or design |
| antechamber | an outer room that leads to another and is often used as a waiting room |
| antedate | to date something with a date earlier than that of actual writing |
| antedate | to precede in time |
| ante meridiem | before noon |
| anterior | located before or toward the front or the head |
| anterior | coming before in time or development |
