baseball vs pitcher

baseball and pitcher both are nouns.

Word	Noun	Adjective	Verb	Adverb
baseball	Yes	No	No	No
pitcher	Yes	No	No	No

baseball (noun)	pitcher (noun)
a ball game played with a bat and ball between two teams of nine players; teams take turns at bat trying to score runs	the position on a baseball team of the player who throws the ball for a batter to try to hit
a ball used in playing baseball	an open vessel with a handle and a spout for pouring
	(baseball) the person who does the pitching
	(botany) a leaf that is modified in such a way as to resemble a pitcher or ewer
	the quantity contained in a pitcher