parcel of land vs piece of land

parcel of land and piece of land both are nouns.

Word	Noun	Adjective	Verb	Adverb
parcel of land	Yes	No	No	No
piece of land	Yes	No	No	No

As nouns, parcel of land and piece of land are synonyms defined as:

Other synonyms of parcel of land include parcel, piece of ground, tract.

parcel of land (noun)	piece of land (noun)
an extended area of land	an extended area of land