Language and Superstratum

Language noun - The stock of words, pronunciation, and grammar used by a people as their basic means of communication.

Superstratum and language are semantically related. In some cases you can replace term "Superstratum" with "Language", this nouns are similar.

Superstratum noun - The language of a later invading people that is imposed on an indigenous population and contributes features to their language.

Language and superstratum are semantically related. Sometimes you can use "Language" instead a noun "Superstratum".