Differences between the two dialects are reported to be mainly phonological and orthographic. Southern Lengua are semi-nomadic, and the women are less bilingual. Bible portions 1900-1987. Mataco-Guaicuru , Mataco. Alternate names may be 'Nynaka', 'Toothle'.
Men are more bilingual in Spanish than women.
Language use is vigorous by all Maca. Artifact craftsmen, hunters, agriculturalists. Pidgin , Mascoian based. A mixed language formerly used in a tannin factory with Lengua, Sanapana, Angaite, Guana, and Toba-Maskoy influences. Different from Toba-Maskoy.