(Greek: a suffix; pertaining to; of the nature of, like; in chemistry, it denotes a higher valence of the element than is expressed by -ous)

enzootic (adjective), more enzootic, most enzootic
Regarding a disease restricted to a locality, to a season of the year, or to a certain climate: Rabies is enzootic and is known to be prevalent all over North America.
enzymatic (adjective) (not comparable)
Relating to one of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions: Mary learned in her biology class at school that enzymatic reactions take place normally between 30°C.and 40°C.
epibenthic (adjective) (not comparable)
The community of organisms living at the surface of the seabed or lake floor: Epibenthic crustaceans have predators, including the fringefin trivially.
Living attached to another organism; such as, fungus.
epidemic (ep" i DEM ik) (adjective), more epidemic, most epidemic
1. Widespread, over or among many people at the same time; such as, a disease.
2. A special reference to a human contagious disease.
3. The rapid widespread occurrence of a fad, fashion, etc.
4. Etymology: from Greek epidemia, "disease prevalent among the people"; formed from the prefix epi-, "among" + demos, "people".
1. Relating to, or like, an epigram; terse and ingenious in expression.
2. Containing, or favoring, the use of epigrams.
An advantage by being ill; applies to secondary gratification received through neurotic illness.
epizootic (s) (noun), epizootics (pl)
A disease occurring simultaneously in animal groups: When the epizootic of the swine flu broke out, Jane compared it to an epidemic when a huge number of people suffer from the flu at the same time.