cyst vs Golgi body

cyst and Golgi body both are nouns.

Word	Noun	Adjective	Verb	Adverb
cyst	Yes	No	No	No
Golgi body	Yes	No	No	No

As nouns, Golgi body is a hyponym of cyst; that is, Golgi body is a word with a more specific, narrower meaning than cyst:

cyst: a small anatomically normal sac or bladderlike structure (especially one containing fluid)
Golgi body: a netlike structure in the cytoplasm of animal cells (especially in those cells that produce secretions)

cyst (noun)	Golgi body (noun)
a small anatomically normal sac or bladderlike structure (especially one containing fluid)	a netlike structure in the cytoplasm of animal cells (especially in those cells that produce secretions)
a closed sac that develops abnormally in some body structure