nacaztapal. sordo. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 062r. col. 2. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
NACAZTAPAL someone deaf / sordo (M) [(2)Zp.117,175]. See NACAZ-TLI. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 156.