granuloma vs gumma

granuloma and gumma both are nouns.

Word	Noun	Adjective	Verb	Adverb
granuloma	Yes	No	No	No
gumma	Yes	No	No	No

As nouns, gumma is a hyponym of granuloma; that is, gumma is a word with a more specific, narrower meaning than granuloma:

granuloma: a tumor composed of granulation tissue resulting from injury or inflammation or infection
gumma: a small rubbery granuloma that is characteristic of an advanced stage of syphilis

granuloma (noun)	gumma (noun)
a tumor composed of granulation tissue resulting from injury or inflammation or infection	a small rubbery granuloma that is characteristic of an advanced stage of syphilis