Niche is not a German word. It is derived from the French word niche (recess), which in turn comes from the Latin nidus, meaning nest.
The word means:
a shallow recess, especially one in a wall to display an ornament.
a comfortable or suitable position in life.
a specialized but profitable corner of the market.
Ecology a role taken by a type of organism within its community.
It means "not awful" in german!!
a role
eine Nische zu schnitzen is the translation in German. It is translated from English to German. German is mostly spoken in the European countries.
there is no such word in German
greave is not a German word.
But isn't a German word.
Plick is not a German word.
Rouse is not a German word
a living organism's role in an ecosystem
"houpacker" means nothing in German; it is not a German word.
Oxded is not a German word
That word is not German, sorry.