centerfield vs tract

centerfield and tract both are nouns.

Word	Noun	Adjective	Verb	Adverb
centerfield	Yes	No	No	No
tract	Yes	No	No	No

As nouns, tract is a hypernym of centerfield; that is, tract is a word with a broader meaning than centerfield:

centerfield: the piece of ground in the outfield directly ahead of the catcher
tract: an extended area of land

Other hypernyms of centerfield include parcel, parcel of land, piece of ground, piece of land.

centerfield (noun)	tract (noun)
the fielding position of the player on a baseball team who is expected to field balls in the central third of the outfield	a bundle of myelinated nerve fibers following a path through the brain
the piece of ground in the outfield directly ahead of the catcher	a system of body parts that together serve some particular purpose
	a brief treatise on a subject of interest; published in the form of a booklet
	an extended area of land