This is the 10635th most frequent German word.
rentenversicherung
Pension insurance.
Here, 'rentenversicherung' is used as a noun referring to the system of pension insurance in a general context.
Die Rentenversicherung ist eine wichtige Institution in Deutschland.
The pension insurance is an important institution in Germany.
In this sentence, 'rentenversicherung' denotes the financial contributions one makes towards the pension insurance scheme.
Meine monatlichen Beiträge zur Rentenversicherung sind gestiegen.
My monthly contributions to pension insurance have increased.
Here, 'rentenversicherung' is used to specify the government-managed pension insurance system.