As nouns the difference between pneumonitis and pneumoconiosis
is that pneumonitis is inflammation of the tissue of the lungs while pneumoconiosis is a disease of the lungs caused by inhalation of particulate matter.
pneumoconiosis
Noun
(pneumoconioses)
(disease) A disease of the lungs caused by inhalation of particulate matter.
Hyponyms
* black lung
* silicosis