baseball player vs baseball

baseball player and baseball both are nouns.

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

baseball player (noun)	baseball (noun)
an athlete who plays baseball	a ball game played with a bat and ball between two teams of nine players; teams take turns at bat trying to score runs
	a ball used in playing baseball