Alternate Names: Cosoleacaque Aztec, Náhuatl del Istmo-Cosoleacaque
Dialects: None known. 84% intelligibility of Pajapan ,, 83% of Mecayapan ,, 46% of Xoteapan (Cosoleacaque) ,. No intelligibility of Pipil , of El Salvador.
Genealogy:
Demographics: 5,140 (1990 census). 10 monolinguals.
Language Use: Most monolinguals are older adults. Also use Spanish [spa].
Writing System: Unwritten
Nation of Origin: Mexico