Endemic
Part of speech: noun
Definition: An individual or species that is endemic to a region.
Part of speech: adjective
Definition: Native to a particular area or culture; originating where it occurs. Peculiar to a particular area or region; not found in other places. Prevalent in a particular area or region.
Example sentence: All that is known for sure is that endometriosis is endemic and that it cannot be cured. Management is the best hope. This makes for treatments that are, if I am being polite, based on trial and error. If I am feeling less generous, they are shots in the dark.
Enzootic
Part of speech: adjective
Definition: Like or having to do with an enzooticOf a disease, prevalent in a given population or area
Part of speech: noun
Definition: In epidemiology an occurrence of a disease or disorder in a population of non-human animals at the frequency expected in a given time period.