world vs international

world is a noun but international is not a noun.

Word	Noun	Adjective	Verb	Adverb
world	Yes	Yes	No	No
international	No	Yes	No	No

world (noun)	international (noun)
all of the living human inhabitants of the earth
all of your experiences that determine how things appear to you
the concerns of this life as distinguished from heaven and the afterlife
people in general; especially a distinctive group of people with some shared interest
people in general considered as a whole
the 3rd planet from the sun; the planet we live on
everything that exists anywhere
a part of the earth that can be considered separately

world (adjective)	international (adjective)
involving the entire earth; not limited or provincial in scope	concerning or belonging to all or at least two or more nations
	from or between other countries