Cognates are

Awords that share a common root.
Bwords that perform functions in sentences.
Cwords from different languages whose meanings are the same.
Dwords whose definition remains essentially unchanged over time.

Verified Answer :

Answer:

Cognates are

a. words that share a common root.

Explanation:

Cognates are words that have the same etymological origin, meaning that they emerged from adaptations to different languages and base elements identify them. They can also be only borrowed words without any adaptation, but they are more common words that changed over time through their adaptations to different languages from a common parent language. An example of this is desk, and tisch words to name table in English and german. They com from latin discuss.