The terms substrate and superstrate are often used when two languages interact.
From the en.wikipedia.org
Forro is a creole language based on Portuguese, the superstrate language.
From the en.wikipedia.org
In the case of French, for example, Vulgar Latin is the superstrate and Gaulic the substrate.
From the en.wikipedia.org
Dutch is its superstrate language with Danish, English, French, Spanish, and African elements incorporated.
From the en.wikipedia.org
Tok Pisin, like many pidgins and creoles, has a far simpler phonology than the superstrate language.
From the en.wikipedia.org
Many of its words and structures are lexically and phonologically similar to English, its superstrate language.
From the en.wikipedia.org
The substrate or superstrate is laminated with an encapsulant to a front or back sheet, usually another sheet of glass.
From the en.wikipedia.org
And in any event, linguists simply don't categorize creole languages as the same language as their superstrate language.
From the en.wikipedia.org
Also, many of its words and structures are both lexically and phonologically similar to English, its superstrate language.
From the en.wikipedia.org
More examples
Any stratum or layer superimposed on another
The language of a later invading people that is imposed on an indigenous population and contributes features to their language
A layer or stratum adjacent and parallel to another; The sudden increase in the electrical conductivity of some metals as their temperature falls to near absolute zero; The covering on the sunny side of a photovoltaic (PV) module, providing protection for the PV materials from impact and ...
Pertaining to the language of a culture which is superior in status: Germanic is said to have had a superstrate influence on Latin in the Dark Ages.