IUCXOĀ to sneeze / estornuda (M) Z has delabialized the final consonant of the first syllable and has the form ICXOĀ. T has the form ICUIXOĀ. X has ECXOĀ which M also has in addition to IUCXOĀ.
(I)CXOĀ See IUCXOĀ. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 109.