| Term | Definition |
| patriarchal | relating to or characteristic of a culture ruled by men |
| paternal | related to the father's side |
| expatriate | someone who no longer lives in his or her country |
| patricide | murder of a father by his child |
| paternity | the fact or state of being a father; fatherhood |
| repatriation | the act of returning to one's country of origin |
| patrimony | an estate inherited from one's father or ancestor |
| dioxide | an oxide containing two atoms of oxygen in the molecule |
| paroxysm | a sudden and uncontrollable expression of emotion |
| antioxidant | substance that counteracts oxidation |
| peroxide | an oxide containing a relatively high proportion of oxygen |
| oxygenation | the process of providing oxygen |