callosotomy vs callosectomy

callosotomy and callosectomy both are nouns.

Word	Noun	Adjective	Verb	Adverb
callosotomy	Yes	No	No	No
callosectomy	Yes	No	No	No

As nouns, callosotomy and callosectomy are synonyms defined as:

callosotomy and callosectomy: severing the corpus callosum so that communication between the cerebral hemispheres is interrupted (in cases of severe intractable epilepsy)

callosotomy (noun)	callosectomy (noun)
severing the corpus callosum so that communication between the cerebral hemispheres is interrupted (in cases of severe intractable epilepsy)	severing the corpus callosum so that communication between the cerebral hemispheres is interrupted (in cases of severe intractable epilepsy)