Contagious disease and Venereal disease

Contagious disease noun - Any disease easily transmitted by contact.

Venereal disease and contagious disease are semantically related. In some cases you can replace phrase "Venereal disease" with "Contagious disease", this phrases are similar.

Venereal disease noun - A communicable infection transmitted by sexual intercourse or genital contact.

Contagious disease and venereal disease are semantically related. Sometimes you can use "Contagious disease" instead a noun phrase "Venereal disease".