TLANTZITZILCA for one’s teeth to chatter / castañetear (Z) [(2)Zp.26,212]. Z has C for TZ and marks the vowel of the third syllable long once. M has tzitzilca ‘to shiver with cold’ and reflexive tlantzitzilitza ‘for one’s teeth to chatter with cold.’ See TLAN-TLI, TZITZILICA. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 286.