barrel vs lag

barrel and lag both are nouns.

Word	Noun	Adjective	Verb	Adverb
barrel	Yes	No	Yes	No
lag	Yes	No	Yes	No

barrel (noun)	lag (noun)
a cylindrical container that holds liquids	the act of slowing down or falling behind
a tube through which a bullet travels when a gun is fired	one of several thin slats of wood forming the sides of a barrel or bucket
any of various units of capacity	the time between one event, process, or period and another
the quantity that a barrel (of any size) will hold
a bulging cylindrical shape; hollow with flat ends

barrel (verb)	lag (verb)
put in barrels	throw or pitch at a mark, as with coins
	cover with lagging to prevent heat loss
	hang (back) or fall (behind) in movement, progress, development, etc.
	lock up or confine, in or as in a jail