This is the 7307th most frequent German word.
gehwegparken
Parking on the sidewalk.
Here, 'Gehwegparken' is used as a nominalized form to refer to the act of parking on the sidewalk in general.
Das Gehwegparken ist in vielen Städten nicht erlaubt.
Sidewalk parking is not allowed in many cities.
In this sentence, 'Gehwegparken' is again a noun used to summarize the concept of parking on sidewalks.
Manche Menschen finden Gehwegparken praktisch, da es Platz spart.
Some people find sidewalk parking practical as it saves space.
Here, 'Gehwegparkens' is used as a genitive form of the noun highlighting the violation of this act.