Here's a breakdown:
* Root: The basic element of a word that carries its core meaning.
* Derivation: The process of creating new words by adding prefixes, suffixes, or other affixes to a root.
* Word Forms: Different variations of a word with different grammatical functions.
Examples of Derivation:
* Root: "act"
* Derivations: "action," "active," "actor," "react," "interact," "inactive," etc.
Derivation allows us to create a wide variety of words with related meanings from a single root, enriching the vocabulary of a language.