Blind alley and Stumbling block

Blind alley noun - A street with only one way in or out.

Stumbling block and blind alley are semantically related. In some cases you can use "Stumbling block" instead a noun phrase "Blind alley".

Stumbling block noun - Something that makes movement or progress difficult.

Blind alley and stumbling block are semantically related. Sometimes you can use "Blind alley" instead a noun phrase "Stumbling block".