West Indian smallpox vs milk pox

West Indian smallpox and milk pox both are nouns.

Word	Noun	Adjective	Verb	Adverb
West Indian smallpox	Yes	No	No	No
milk pox	Yes	No	No	No

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

West Indian smallpox and milk pox: 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, pseudosmallpox, pseudovariola, variola minor, white pox.

West Indian smallpox (noun)	milk pox (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