ley.

(a loanword from Spanish)

Headword: 
ley.
Principal English Translation: 

king (a Nahuatlization of the loanword "rey," in Spanish)

Attestations from sources in English: 

in tohueitlahtocatzin ley = our great ruler, the king
Byron McAfee translation of the Tepotzotlan Techialoyan, published in Donald Robertson, The Techialoyan Codex of Tepotztotlan: Codex X (Rylands Mexican Ms. 1), Bulletin of the John Rylands Library 43:1 (Sept. 1960), 128.

similar to pixoley, the Nahuatlization for visorey, viceroy