Brume and Thunderhead

Brume noun - An atmospheric condition in which suspended particles in the air rob it of its transparency.

Thunderhead and brume are semantically related In some cases you can use "Thunderhead" instead a noun "Brume".

Thunderhead noun - A rounded projecting mass of a cumulus cloud with shining edges; often appears before a thunderstorm.

Brume and thunderhead are semantically related in mass of water particles in air topic. Sometimes you can use "Brume" instead a noun "Thunderhead".