This is the 2405th most frequent German word.
ps
"PS" in German stands for "Pferdestärke," meaning "horsepower," a unit of power measurement.
Used as an annotation at the end of a written text, 'PS' stands for 'post scriptum' as an additional note.
PS: Bitte denkt daran, eure Bücher mitzubringen.
PS: Please remember to bring your books.
Here, 'PS' refers to horsepower (Pferdestärke), a unit of measurement for power.
Das Auto hat 150 PS und ist damit recht schnell.
The car has 150 hp and is therefore quite fast.
In this case, 'PS' is again used as a post scriptum notation, often added to written correspondence.