indenture vs incurvation

indenture and incurvation both are nouns.

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

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

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

indenture (noun)	incurvation (noun)
a contract binding one party into the service of another for a specified term	the action of creating a curved shape
formal agreement between the issuer of bonds and the bondholders as to terms of the debt	a shape that curves or bends inward
the space left between the margin and the start of an indented line
a concave cut into a surface or edge (as in a coastline)

indenture (verb)	incurvation (verb)
bind by or as if by indentures, as of an apprentice or servant