tlacochteuctli.

vme in tecutlato, ce quappan, ce pilpan: ce quappan, tlacatecutli, tlacochtecutli, auh ce pilli: auh in quauhtlato, no ce quappan tlacateccatl, tlacochcalcatl, no ce pilli = there are two [assisting] dignitaries, one from the military, one from the nobility. The one from the military is the Tlacatecutli; the one from the nobility is the Tlacochtecutli. And of the commanders also, one is from the military, the Tlacateccatl; one also is from the nobility, the Tlacochcalcatl (central Mexico, sixteenth century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 6 -- Rhetoric and Moral Philosophy, No. 14, Part 7, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1961), 110.

"existía una diferencia entre tlacochtecutli y tlacochcálcatl"
Virve Piho, "Tlacatecutli, Tlacochtecutli, Tlacatéccatl, y Tlacochcálcatl," Estudios de Cultura Náhuatl 10 (1972), 315.