pareja.

(a loanword from Spanish)

Headword: 
pareja.
Principal English Translation: 

couple, pair
(a loanword from Spanish)

Lockhart’s Nahuatl as Written: 

used in a text apparently meaning equally. from Sp. pareja, pair, couple.
James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 229.

Attestations from sources in English: 

san panrenjan (equally) (Centlalpan, Chalco, 1736)
Frances Karttunen and James Lockhart, Nahuatl in the Middle Years: Language Contact Phenomena in Texts of the Colonial Period, Linguistics 85 (Los Angeles, University of California Publications, 1976), Doc. 10.