concave shape vs scoop

concave shape and scoop both are nouns.

Word	Noun	Adjective	Verb	Adverb
concave shape	Yes	No	No	No
scoop	Yes	No	Yes	No

As nouns, scoop is a hyponym of concave shape; that is, scoop is a word with a more specific, narrower meaning than concave shape:

concave shape (noun)	scoop (noun)
a shape that curves or bends inward	a large ladle
	the shovel or bucket of a dredge or backhoe
	street names for gamma hydroxybutyrate
	a news report that is reported first by one news organization
	the quantity a scoop will hold
	a hollow concave shape made by removing something

concave shape (verb)	scoop (verb)
	get the better of
	take out or up with or as if with a scoop