hitter vs switch-hitter

hitter and switch-hitter both are nouns.

Word	Noun	Adjective	Verb	Adverb
hitter	Yes	No	No	No
switch-hitter	Yes	No	No	No

As nouns, switch-hitter is a hyponym of hitter; that is, switch-hitter is a word with a more specific, narrower meaning than hitter:

Other hyponyms of hitter include bunter, designated hitter, pinch hitter, whiffer.

hitter (noun)	switch-hitter (noun)
(baseball) a ballplayer who is batting	a baseball player who can bat either right or left handed
someone who hits	slang term for a bisexual person