Verbauch
Verbauch is not a standard term in German lexicography. In contemporary German, the closest and correct form is Verbrauch, which denotes consumption, use, or expenditure of resources. Verbauch is generally considered a misspelling or typographical error rather than a distinct linguistic item with its own meaning.
Etymology and status: Verbrauch is derived from the verb verbrauchen (to consume) with the noun-forming suffix
Usage guidance: When writing in German, use Verbrauch unless you are referring to a specific, nonstandard spelling
See also: Verbrauch, Verbraucher, Verbraucherschutz, Verbrauchsausgaben.