ureterocele vs prolapsus

ureterocele and prolapsus both are nouns.

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

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

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

Other hypernyms of ureterocele include descensus, prolapse.

ureterocele (noun)	prolapsus (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)