This is the 8367th most frequent German word.
kampfflugzeuge
Combat aircraft.
The word 'kampfflugzeuge' is used in its base form to denote fighter jets, illustrating a plural subject in the sentence.
Die kampfflugzeuge fliegen über die Stadt.
The fighter jets are flying over the city.
Here, 'kampfflugzeuge' is used in a possessive context ('der kampfflugzeuge'), signifying the source of the action, specifically the jets causing the noise.
Das Geräusch der kampfflugzeuge war ohrenbetäubend.
The noise of the fighter jets was deafening.
In this sentence, 'kampfflugzeuge' is part of a descriptive phrase, indicating the type and age of the aircraft being described.