panhysterectomy vs hysterectomy

panhysterectomy and hysterectomy both are nouns.

Word	Noun	Adjective	Verb	Adverb
panhysterectomy	Yes	No	No	No
hysterectomy	Yes	No	No	No

As nouns, hysterectomy is a hypernym of panhysterectomy; that is, hysterectomy is a word with a broader meaning than panhysterectomy:

panhysterectomy: surgical removal of the uterus and the ovaries and oviducts and cervix and related lymph nodes
hysterectomy: surgical removal of the uterus

panhysterectomy (noun)	hysterectomy (noun)
surgical removal of the uterus and the ovaries and oviducts and cervix and related lymph nodes	surgical removal of the uterus