This is the 9159th most frequent German word.
lungenentzündung
"Lungenentzündung" means "pneumonia" in English.
The word 'Lungenentzündung' is used as a noun, denoting the medical condition (pneumonia), central to the subject of the sentence.
Die Lungenentzündung wird oft durch eine bakterielle Infektion ausgelöst.
Pneumonia is often caused by a bacterial infection.
Here, 'Lungenentzündung' again functions as a noun and is the object of the prepositional phrase indicating the affliction from which recovery occurs.
Er erholt sich langsam von der Lungenentzündung.
He is slowly recovering from pneumonia.
In this example, 'Lungenentzündung' serves as the subject noun, emphasizing its potential severity in a medical context.