Pox and Sexually transmitted disease

Pox noun - A common venereal disease caused by the treponema pallidum spirochete; symptoms change through progressive stages; can be congenital (transmitted through the placenta).

Sexually transmitted disease and pox are semantically related. In some cases you can use "Sexually transmitted disease" instead a noun "Pox".

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

Pox and sexually transmitted disease are semantically related. Sometimes you can use "Pox" instead a noun phrase "Sexually transmitted disease".