piece vs lock

piece and lock both are nouns.

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

piece (noun)	lock (noun)
a separate part of a whole	any wrestling hold in which some part of the opponent's body is twisted or pressured
game equipment consisting of an object used in playing certain board games	a fastener fitted to a door or drawer to keep it firmly closed
a portable gun	a restraint incorporated into the ignition switch to prevent the use of a vehicle by persons who do not have the key
a work of art of some artistic value	enclosure consisting of a section of canal that can be closed to control the water level; used to raise or lower vessels that pass through it
an item that is an instance of some type	a mechanism that detonates the charge of a gun
a distance	a strand or cluster of hair
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)	lock (verb)
repair by adding pieces	become rigid or immoveable
eat intermittently; take small bites of	fasten with a lock
join during spinning	keep engaged
to join or unite the pieces of	place in a place where something cannot be removed or someone cannot escape
create by putting components or members together	become engaged or intermeshed with one another
	hold in a locking position
	build locks in order to facilitate the navigation of vessels
	hold fast (in a certain state)
	pass by means through a lock in a waterway