stateswoman vs national leader

stateswoman and national leader both are nouns.

Word	Noun	Adjective	Verb	Adverb
stateswoman	Yes	No	No	No
national leader	Yes	No	No	No

As nouns, national leader is a hypernym of stateswoman; that is, national leader is a word with a broader meaning than stateswoman:

stateswoman: a woman statesman
national leader: a person who is a respected leader in national or international affairs

Other hypernyms of stateswoman include solon, adult female, woman.

stateswoman (noun)	national leader (noun)
a woman statesman	a person who is a respected leader in national or international affairs