Black lung and Pneumonoconiosis

Black lung noun - Lung disease caused by inhaling coal dust.

Pneumonoconiosis and black lung are semantically related. In some cases you can use "Pneumonoconiosis" instead a noun phrase "Black lung".

Pneumonoconiosis noun - Chronic respiratory disease caused by inhaling metallic or mineral particles.

Black lung and pneumonoconiosis are semantically related. Sometimes you can replace phrase "Black lung" with "Pneumonoconiosis", this terms are similar.