This is the 11285th most frequent German word.
sofakissen
Cushion or pillow for a sofa.
Here, 'Sofakissen' serves as the subject of the sentence, focusing on its quality.
Das Sofakissen ist sehr weich.
The sofa cushion is very soft.
In this instance, 'Sofakissen' is used as the object of the preposition 'auf,' describing a location.
Ich lege mein Buch auf das Sofakissen.
I place my book on the sofa cushion.
Here, 'Sofakissen' is used in plural form to talk about multiple cushions and their attribute.