ureterocele vs prolapse

ureterocele and prolapse both are nouns.

Word	Noun	Adjective	Verb	Adverb
ureterocele	Yes	No	No	No
prolapse	Yes	No	Yes	No

As nouns, prolapse is a hypernym of ureterocele; that is, prolapse is a word with a broader meaning than ureterocele:

ureterocele: prolapse of the end of the ureter into the bladder; may obstruct urine flow
prolapse: the slipping or falling out of place of an organ (as the uterus)

Other hypernyms of ureterocele include descensus, prolapsus.

ureterocele (noun)	prolapse (noun)
prolapse of the end of the ureter into the bladder; may obstruct urine flow	the slipping or falling out of place of an organ (as the uterus)

ureterocele (verb)	prolapse (verb)
	slip or fall out of place, as of body parts