Terik has therefore been classified as an endangered language.

Swaka dialect is divergent, and sometimes classified as a separate language (Nurse 2003).

It was once classified as an Austronesian language.

Others classify it as a language based on socio-linguistic reasons.

Arguments for classifying it as a language of its own:

It would consequently be classified as a Sardinian language for a genetical reason.

Blench (2006) classifies the Woga variety as a separate language.

Morofo (one quarter of speakers) variety has also been classified as a separate language.

Thus, the Russian language lost its statute of a second mother tongue and was classified as a foreign language.

In this sense, Ido is classified as a constructed international auxiliary language.