concavity vs imprint

concavity and imprint both are nouns.

Word	Noun	Adjective	Verb	Adverb
concavity	Yes	No	No	No
imprint	Yes	No	Yes	No

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

concavity (noun)	imprint (noun)
the property possessed by a concave shape	a device produced by pressure on a surface
a shape that curves or bends inward	a distinctive influence
	an impression produced by pressure or printing
	an identification of a publisher; a publisher's name along with the date and address and edition that is printed at the bottom of the title page
	a concavity in a surface produced by pressing

concavity (verb)	imprint (verb)
	mark or stamp with or as if with pressure
	establish or impress firmly in the mind