-age die
Unterlage
Almost always 94.9% of the 99 common nouns ending in -age take die.
-age is feminine. These words come from French: die Garage, die Etage.
Exceptions das Image, das Cottage
die Unterlage
It's die Unterlage. Unterlage is feminine, plural die Unterlagen.
Welche Unterlagen brauche ich?
Which documents do I need?
Unterlage
Almost always 94.9% of the 99 common nouns ending in -age take die.
-age is feminine. These words come from French: die Garage, die Etage.
Exceptions das Image, das Cottage
Unterlage die
The last part decides the article: die Lage, so die Unterlage.