craniotomy vs surgical process

craniotomy and surgical process both are nouns.

Word	Noun	Adjective	Verb	Adverb
craniotomy	Yes	No	No	No
surgical process	Yes	No	No	No

As nouns, surgical process is a hypernym of craniotomy; that is, surgical process is a word with a broader meaning than craniotomy:

craniotomy: a surgical opening through the skull
surgical process: a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body

Other hypernyms of craniotomy include operation, surgery, surgical operation, surgical procedure.

craniotomy (noun)	surgical process (noun)
a surgical opening through the skull	a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body