Morphology is the study of the grammatical (as opposed to phonological) makeup of words. Speech–language pathologists need to know about this area of study as they may encounter clients with morphological impairments, and, further, morphological units are often used as a measure of language development. This entry provides a brief overview of morphology, language classifications based on morphology, and the relationship between specific language impairment (now known as developmental language disorder) and inflectional morphology.

Overview of Morphology

Some units of morphology needed to understand the following discussion are root and stem. A root is the basic word form to which extra units can be added. So, in English, the word help is a root. The term stem is used when describing the addition of any extra units ...

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