TLAPIYĀZOĀ to excrete / hace el excusado, depone (T) [(3)Tp.235]. The gloss is ambiguous between urination and defecation, and moreover 'deponer' can also mean ‘to vomit.’ T has O for Ā in the third syllable. See PIYĀZOĀ.
TLAPIYĀZŌLŌ nonact. TLAPIYĀZOĀ.
TLAPIYĀZŌLTIĀ caus. TLAPIYĀZOĀ. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 292.