Brink and Seacoast

Brink noun - An interval of time just before the onset of something.

Seacoast and brink are semantically related in seashore topic. In some cases you can use "Seacoast" instead a noun "Brink".

Seacoast noun - The shore of a sea or ocean.

Brink and seacoast are semantically related in seashore topic. You can use "Brink" instead a noun "Seacoast", if it concerns topics such as waterside.