noun

das Geräusch, -e

noise

Etwas, das man mit den Ohren wahrnimmt und durch Schwingungen in der Luft entsteht.

The German word "Geräusch" is a noun that means "noise" or "sound". It is a standalone word not combined from other parts. "Geräusch" often refers to an auditory sensation that is typically unwanted or disruptive, but it can also refer to any kind of sound in a more general sense.

Similar words in German include:

"Lärm" (noise, typically referring to loud or disruptive noise),
"Klang" (sound, often with a connotation of being harmonious or musical),
"Ton" (tone, referring to a sound quality with a specific pitch).

Differences:

"Geräusch" vs. "Lärm": "Geräusch" can be any sound, whereas "Lärm" specifically refers to loud and usually unpleasant noise.
"Geräusch" vs. "Klang": "Geräusch" is neutral regarding the pleasantness of the sound, while "Klang" tends to refer to sounds that are harmonious and pleasant.
"Geräusch" vs. "Ton": "Geräusch" is general, whereas "Ton" is usually related to the musical quality of sound with identifiable pitch.

"Geräusch" is thus a more encompassing term used for any observable auditory phenomenon that does not specifically qualify as music or organized sound.