recess vs incurvation

recess and incurvation both are nouns.

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

As nouns, incurvation is a hypernym of recess; that is, incurvation is a word with a broader meaning than recess:

Other hypernyms of recess include concave shape, concavity, incurvature.

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