On the other hand, the grammar often has original features and may differ substantially from those of the parent languages.

However, evolution of the parent language permits other processes to occur.

Replacement of the parent language is one of the most dramatic processes of change.

Shared retentions from the parent language are not sufficient evidence of a sub-group.

However, some linguists have dismissed those similarities as being due to residual influences of the parent languages.

An example of a pair of genetically related languages is a creole and a parent language.

Hence, the three-way distinction must be reconstructed for the parent language.

Such contact languages usually lack the inflections of either parent language, or drastically simplify them.

No written records of such a parent language exist.

The isogloss only applies to the parent language with the full inventory of dorsals.