Principal English Translation:
Alonso de Molina:
neltiliztli. verdad.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 66v. col. 2. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
NELTILIZ-TLI truth / verdad (M) [(4)Cf.11r,112v,123r,124v]. See NELTI, NELTIĀ.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 164.
Attestations from sources in English:
Auh yhuan ye macuilpohualxihuitl ypan vii. acatl xihuitl 1499. años yn oquiz. acuecuexatl. yn tlaapachoco tenochtitlan. ynin huel neltiliztli. = And also, it was 110 years ago, in the 7 Reed, 1499, that the Acuecuexatl came out [of its banks] and flooded Tenochitlan; this is well authenticated (1608, Central Mexico)
Annals of His Time: Don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, James Lockhart, Susan Schroeder, and Doris Namala, eds. and transl. (Stanford: Stanford University Press, 2006), 130–131.
Attestations from sources in Spanish:
neltilistli melahuac ca otes mo caquistililico in tlatoani mo nahua tlatoltia ipan tlacpac tlasontecoyan palasio = es verdad cierta que nos vino á interpretar, el Sr. que habla náhuatl allá Arriba, en el Palacio, lugar de Justicia (Estado de Hidalgo, ca. 1722?)
Rocío Cortés, El "nahuatlato Alvarado" y el Tlalamatl Huauhquilpan: Mecanismos de la memoria colectiva de una comunidad indígena (New York: Hispanic Seminary of Medieval Studies, Colonial Spanish American Series, 2011), 31, 43.