| Plasma | plasma |
| Plasmid | plasmid |
| Plast | plastic |
| Plaste | plastic |
| Alaska | Alaska |
| Chasma | chasma |
| Miasma | stench fetor miasma |
| Prisma | prism |
| Neoplasma | neoplasm |
| Plan B | fallback |
| Plaque | plaque |
| Plasmagewehr | plasma rifle |
| Plato | Plato |
| Platt | East Frisian Low German dialect |
| platt | flat bromidic unglossed flabbergasted |
| Plage | plague scourge |
| Plagiat | plagiarism |
| Plakat | poster |
| Plan | plan map blueprint plain |
| plan | planar plane |