West Indian smallpox vs pseudovariola

West Indian smallpox and pseudovariola both are nouns.

Word	Noun	Adjective	Verb	Adverb
West Indian smallpox	Yes	No	No	No
pseudovariola	Yes	No	No	No

As nouns, West Indian smallpox and pseudovariola are synonyms defined as:

West Indian smallpox and pseudovariola: a mild form of smallpox caused by a less virulent form of the virus

Other synonyms of West Indian smallpox include alastrim, Cuban itch, Kaffir pox, milk pox, pseudosmallpox, variola minor, white pox.

West Indian smallpox (noun)	pseudovariola (noun)
a mild form of smallpox caused by a less virulent form of the virus	a mild form of smallpox caused by a less virulent form of the virus