vesicle vs cyst

vesicle and cyst both are nouns.

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

As nouns, vesicle and cyst are synonyms defined as:

vesicle and cyst: a small anatomically normal sac or bladderlike structure (especially one containing fluid)

vesicle (noun)	cyst (noun)
a small anatomically normal sac or bladderlike structure (especially one containing fluid)	a small anatomically normal sac or bladderlike structure (especially one containing fluid)
	a closed sac that develops abnormally in some body structure