This is the 138th most frequent Danish word.
måneder
"Months"
The word 'måneder' is used in its plural form to indicate a quantity of time as a direct object.
Jeg har boet her i seks måneder.
I have lived here for six months.
The word 'måneder' here refers to a general duration of time, also in the plural.
Vinteren varer i flere måneder.
The winter lasts for several months.
Here, 'måneder' is used in the context of describing an extended period of work, highlighting a recurring activity overtaking this amount of time.