The German word for book bag is "Buechertasche".
that isn't German, unless you're asking what is an eating bag in german. In that case it is Essen Tache
The German word for when is wenn.
the German word for noble is ' edel ' or 'nobel'.
With your hands
The German word for murder is Mord (der)The German word for murderer is Mörder (der)/ Mörderin (die)
The German word for book is (das) Buch.
that isn't German, unless you're asking what is an eating bag in german. In that case it is Essen Tache
The German word for "book" is "Buch"
Futternapf
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I am not quite sure what you mean by "eating bag". The German word Fresssack translates literally as "eating sack" but translates into English as:gluttonguzzlergreedy pig
Knapsack, from knappen (to bite) and Sack (bag)
"Übungsbuch" is the German word for "exercise book".
A backpack is exactly the same thing. A book bag is not just for books you know.
Knapsack (probably from archaic German knappen - to bite)n.b.The German word for knapsack is Rucksack (from German Rücken - back)
buch
Leihbuch