Its many tribes live in near isolation from one another, often with mutually unintelligible languages.

Many varieties of Zapotec are mutually unintelligible with one other.

In between they kept busy by fighting each other and developing mutually unintelligible languages.

A few words from each side, however, sufficed to show they were mutually unintelligible.

Their languages are mutually unintelligible, though they share some vocabulary.

Although each language of the family is mutually unintelligible, their similarities are rather striking.

Many varieties are mutually unintelligible and by that criterion separate languages.

China has eight regional languages that are mutually unintelligible, and many true dialects.

Despite the established system of intermarriage, their languages are mutually unintelligible.

Spoken Chinese has numerous regional and local varieties, many of which are mutually unintelligible.