slug vs slugger

slug and slugger both are nouns.

Word	Noun	Adjective	Verb	Adverb
slug	Yes	No	Yes	No
slugger	Yes	No	No	No

slug (noun)	slugger (noun)
(boxing) a blow with the fist	(baseball) a ballplayer who is batting
any of various terrestrial gastropods having an elongated slimy body and no external shell	a boxer noted for an ability to deliver hard punches
a projectile that is fired from a gun
a strip of type metal used for spacing
an amount of an alcoholic drink (usually liquor) that is poured or gulped
an idle slothful person
a counterfeit coin
a unit of mass equal to the mass that accelerates at 1 foot/sec/sec when acted upon by a force of 1 pound; approximately 14.5939 kilograms

slug (verb)	slugger (verb)
strike heavily, especially with the fist or a bat
be idle; exist in a changeless situation