False friends
Many words in German and English seem similar but have very different meanings.
What’s Stapel in English?
Stapel ⋅ = stack, pile
The police found a stack of banknotes in the bank robber’s flat.
It’s not “staple”! staple ⋅ = Heftklammer; (etw.) zusammenheften
Could you staple the documents together, please?