Classical Nahuatl vs Mexican

Classical Nahuatl

name

The variants of the Nahuatl language spoken in central Mexico at the time of the Spanish conquest.

Mexican

name

The Mexican dialect of Spanish.

adj

Of, from, or pertaining to the country of Mexico.

noun

Mexican or Mexican-derived cuisine; whether traditional Mexican food or Tex-Mex, etc.
A person from, or of descent from, any Spanish-speaking country.
A person from the country of Mexico or of Mexican descent.
A person from either of the southern states of New South Wales and Victoria.

How often have the words Classical Nahuatl and Mexican occurred in a corpus of books? (source: Google Ngram Viewer )