There are two accepted spellings, with or without the "O" : mustache/moustache. (The growth of hair between the nose and mouth.)
Une moustache.
A moustache is called Schnurrbart (purr beard), Oberlippenbart (upper lip beard) or Schnauzer (growler) in German.
mustache :l)
another is the correct spelling
It is spelled springerle in German. In the German-speaking area of Switzerland it is also known as Änisbrötli.(Springerle are sweet biscuits embossed with various shapes and designs.)