Endemic disease and Endemical

Endemic disease noun - A disease that is constantly present to a greater or lesser degree in people of a certain class or in people living in a particular location.

Endemical and endemic disease are semantically related. In some cases you can replace term "Endemical" with "Endemic disease", this terms are similar.

Endemical adjective - Of or relating to a disease (or anything resembling a disease) constantly present to greater or lesser extent in a particular locality.

Endemic disease and endemical are semantically related. You can use "Endemic disease" instead a noun "Endemical".