follicle vs cyst

follicle and cyst both are nouns.

Word	Noun	Adjective	Verb	Adverb
follicle	Yes	No	No	No
cyst	Yes	No	No	No

As nouns, cyst is a hypernym of follicle; that is, cyst is a word with a broader meaning than follicle:

follicle: any small spherical group of cells containing a cavity
cyst: a small anatomically normal sac or bladderlike structure (especially one containing fluid)

Other hypernyms of follicle include vesicle.

follicle (noun)	cyst (noun)
any small spherical group of cells containing a cavity	a small anatomically normal sac or bladderlike structure (especially one containing fluid)
	a closed sac that develops abnormally in some body structure