in-bounds vs baseball

in-bounds is not a noun while baseball is a noun.

Word	Noun	Adjective	Verb	Adverb
in-bounds	No	Yes	No	No
baseball	Yes	No	No	No

in-bounds (noun)	baseball (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

in-bounds (adjective)	baseball (adjective)
between the first and third base lines