conquistador vs United Mexican States

conquistador and United Mexican States both are nouns.

Word	Noun	Adjective	Verb	Adverb
conquistador	Yes	No	No	No
United Mexican States	Yes	No	No	No

conquistador (noun)	United Mexican States (noun)
an adventurer (especially one who led the Spanish conquest of Mexico and Peru in the 16th century)	a republic in southern North America; became independent from Spain in 1810