Angst and Nail-biting

Angst noun - An acute but unspecific feeling of anxiety; usually reserved for philosophical anxiety about the world or about personal freedom.

Nail-biting and angst are semantically related In some cases you can use "Nail-biting" instead a noun "Angst".

Nail-biting adjective - Marked by or causing agitation or uncomfortable feelings.

Angst and nail-biting are semantically related in anxiety topic. Sometimes you can use "Angst" instead a noun phrase "Nail-biting", if it concerns topics such as worry.