Many local ethnic languages are the first language of most Indonesians and still important.

The newer auxiliary languages could also be used to learn ethnic languages quickly and to better understand one's own language.

With ethnic language they could not break free of their planet, because every language is pinned to a local foundation.

This contrasts with other more rural minority groups such as the Dungan, who have maintained a higher level of proficiency in their ethnic language.

Unish is a constructed language and not genealogically-related to any particular ethnic language.

Even in America around the 19th century, the tendency of immigrants to marry among their ethnic, language or cultural group produced many cousin marriages.

Aims: research on the question if the "synthetic" languages can be learned more easily and quickly than the ethnic languages.

Aims: research on the question, if and to what degree a planned language can be more easily learned than an ethnic language.

Still, there were a number of ethnic languages even on Helena, so Standard was everywhere.

Learning Esperanto is relatively easy, but only compared to learning a new ethnic language.