incision vs vasosection

incision and vasosection both are nouns.

Word	Noun	Adjective	Verb	Adverb
incision	Yes	No	No	No
vasosection	Yes	No	No	No

As nouns, vasosection is a hyponym of incision; that is, vasosection is a word with a more specific, narrower meaning than incision:

incision: the cutting of or into body tissues or organs (especially by a surgeon as part of an operation)
vasosection: surgical incision into or division of the vas deferens

incision (noun)	vasosection (noun)
the cutting of or into body tissues or organs (especially by a surgeon as part of an operation)	surgical incision into or division of the vas deferens
a depression scratched or carved into a surface