canal vs lock

canal and lock both are nouns.

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

canal (noun)	lock (noun)
long and narrow strip of water made for boats or for irrigation	any wrestling hold in which some part of the opponent's body is twisted or pressured
a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance	a fastener fitted to a door or drawer to keep it firmly closed
(astronomy) an indistinct surface feature of Mars once thought to be a system of channels; they are now believed to be an optical illusion	a restraint incorporated into the ignition switch to prevent the use of a vehicle by persons who do not have the key
	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
	a mechanism that detonates the charge of a gun
	a strand or cluster of hair

canal (verb)	lock (verb)
provide (a city) with a canal	become rigid or immoveable
	fasten with a lock
	keep engaged
	place in a place where something cannot be removed or someone cannot escape
	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