| Plattdeutsch | Low German Plattdeutsch |
| plattdeutsch | Low German |
| Plautdietsch | Mennonite Low German Plautdietsch Plauttdietsch |
| altdeutsch | old German |
| Plattfisch | flatfish |
| latreutisch | latreutic |
| ostdeutsch | East German |
| westdeutsch | West German |
| Amtsdeutsch | officialese |
| Plattpfirsich | flat peach |
| Platzbauch | dehiscence |
| Platzhirsch | alpha male |
| Plattensee | Balaton |
| Plattfuß | flat foot |
| Plaudertasche | chatterbox |
| plastisch | plastic |
| platonisch | platonic |
| Blattfisch | south american leaffish |
| Ostdeutsche | East German |
| Beamtendeutsch | bureaucratese |