baseball vs bounce out

baseball is a noun but bounce out is not a noun.

Word	Noun	Adjective	Verb	Adverb
baseball	Yes	No	No	No
bounce out	No	No	Yes	No

baseball (noun)	bounce out (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
a ball used in playing baseball

baseball (verb)	bounce out (verb)
	bounce a ball so that it becomes an out