Smallpox
Part of speech: noun
Definition: An acute, highly infectious often fatal disease caused by a virus of the family Poxviridae. It was completely eradicated in the 1970s. Those who survived were left with pockmarks.
Example sentence: You don't have to vaccinate every man, woman and child in the country if you have a couple of cases of smallpox cropping up.
Variola
Part of speech: noun
Definition: smallpox