3) Free Roots
Free roots are free morphemes. They are identical with root words.
4)Bound Roots
A bound root, like a free root, is that part of the word that carries the fundamental meaning of a word, but unlike a free root, it is a bound form and has to be bound with other morphemes to form words.
5)Affixes
Affixes are forms that are attached to stems to modify meaning or function. Almost all the affixes are bound.
6)Inflectional Affixes
An inflectional affix is one attached to the end of a word to convey grammatical meaning or grammatical relation, such as tense, case, number, comparative or superlative degree, etc.
7)Derivational Affixes
A derivational affix is one that is added to the beginning or the end of a word in order to create a new word. Derivational affixes can be divided into prefixes and suffixes.
8)Prefixes
Prefixes are the morphemes that occur at the beginning of a word. They modify the meaning of a stem, but usually do not change the part of speech of the original word.
9)Suffixes
Suffixes occur at the end of stems. Though they can modify the meanings of the original words, their chief function is to change the parts of speech of words.
4.Root and Stem
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