mixtlatitoque, xaxamacatoque.

Headword: 
mixtlatitoque, xaxamacatoque.
Principal English Translation: 

the havoc of the dead; or, ravage of death in battle (see Molina); or, a massive death, massacre, or bloodbath (see Siméon)

Alonso de Molina: 

mixtlatitoque, xaxamacatoque. estrago de muertos.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 57v. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

This also appears as paired words in the reverse order.