hitter vs batter

hitter and batter both are nouns.

Word	Noun	Adjective	Verb	Adverb
hitter	Yes	No	No	No
batter	Yes	No	Yes	No

As nouns, hitter and batter are synonyms defined as:

Other synonyms of hitter include batsman, slugger.

hitter (noun)	batter (noun)
(baseball) a ballplayer who is batting	a liquid or semiliquid mixture, as of flour, eggs, and milk, used in cooking
someone who hits	(baseball) a ballplayer who is batting

hitter (verb)	batter (verb)
	make a dent or impression in
	strike violently and repeatedly
	strike against forcefully