national vs international

national is a noun but international is not a noun.

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

national (noun)	international (noun)
a person who owes allegiance to that nation

national (adjective)	international (adjective)
limited to or in the interests of a particular nation	concerning or belonging to all or at least two or more nations
concerned with or applicable to or belonging to an entire nation or country	from or between other countries
of or relating to or belonging to a nation or country
of or relating to nationality
characteristic of or peculiar to the people of a nation
inside the country
owned or maintained for the public by the national government