piece vs join

piece and join both are nouns.

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

As verbs, join is a hypernym of piece; that is, join is a word with a broader meaning than piece:

Other hypernyms of piece include conjoin.

As verbs, join is a hypernym of piece; that is, join is a word with a broader meaning than piece:

Other hypernyms of piece include create, make.

piece (noun)	join (noun)
a separate part of a whole	a set containing all and only the members of two or more given sets
game equipment consisting of an object used in playing certain board games	the shape or manner in which things come together and a connection is made
a portable gun
a work of art of some artistic value
an item that is an instance of some type
a distance
a musical work that has been created
an artistic or literary composition
an instance of some kind
a serving that has been cut from a larger portion
a portion of a natural object
a share of something
a period of indeterminate length (usually short) marked by some action or condition

piece (verb)	join (verb)
repair by adding pieces	make contact or come together
eat intermittently; take small bites of	cause to become joined or linked
join during spinning	become part of; become a member of a group or organization
to join or unite the pieces of	come into the company of
create by putting components or members together	be or become joined or united or linked