piece vs part

piece and part both are nouns.

Word	Noun	Adjective	Verb	Adverb
piece	Yes	No	Yes	No
part	Yes	No	Yes	Yes

As nouns, part is a hypernym of piece; that is, part is a word with a broader meaning than piece:

Other hypernyms of piece include portion.

As nouns, piece and part are synonyms defined as:

As nouns, piece and part are synonyms defined as:

As nouns, part is a hypernym of piece; that is, part is a word with a broader meaning than piece:

piece: a share of something
part: assets belonging to or due to or contributed by an individual person or group

Other hypernyms of piece include percentage, portion, share.

piece (noun)	part (noun)
a separate part of a whole	the actions and activities assigned to or required or expected of a person or group
game equipment consisting of an object used in playing certain board games	the effort contributed by a person in bringing about a result
a portable gun	something less than the whole of a human artifact
a work of art of some artistic value	an item that is an instance of some type
an item that is an instance of some type	a line of scalp that can be seen when sections of hair are combed in opposite directions
a distance	one of the portions into which something is regarded as divided and which together constitute a whole
a musical work that has been created	an actor's portrayal of someone in a play
an artistic or literary composition	that which concerns a person with regard to a particular role or situation
an instance of some kind	the melody carried by a particular voice or instrument in polyphonic music
a serving that has been cut from a larger portion	the extended spatial location of something
a portion of a natural object	a portion of a natural object
a share of something	assets belonging to or due to or contributed by an individual person or group
a period of indeterminate length (usually short) marked by some action or condition	something determined in relation to something that includes it

piece (verb)	part (verb)
repair by adding pieces	move or break apart
eat intermittently; take small bites of	force, take, or pull apart
join during spinning	depart for someplace
to join or unite the pieces of	go one's own way; move apart
create by putting components or members together	discontinue an association or relation; go different ways

piece (adverb)	part (adverb)
	to some extent; in some degree; not wholly