incurvation vs recess

incurvation and recess both are nouns.

Word	Noun	Adjective	Verb	Adverb
incurvation	Yes	No	No	No
recess	Yes	No	Yes	No

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

incurvation (noun)	recess (noun)
the action of creating a curved shape	a pause from doing something (as work)
a shape that curves or bends inward	an enclosure that is set back or indented
	an arm off of a larger body of water (often between rocky headlands)
	a small concavity
	a state of abeyance or suspended business