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Derivational morphology often involves the addition of a derivational suffix or other affix. Such an affix usually applies to words of one lexical category (part of speech) and changes them into words of another such category. For example, one effect of the English derivational suffix -ly is to change an adjective into an adverb (slow → slowly).
In linguistics, an affix is a morpheme that is attached to a word stem to form a new word or word form. The main two categories are derivational and inflectional affixes. Derivational affixes, such as un- , -ation , anti- , pre- etc., introduce a semantic change to the word they are attached to.
In linguistics, a suffix is an affix which is placed after the stem of a word. Common examples are case endings, which indicate the grammatical case of nouns and adjectives, and verb endings, which form the conjugation of verbs. Suffixes can carry grammatical information (inflectional endings) or lexical information (derivational/lexical ...
Nominalization can refer, for instance, to the process of producing a noun from another part of speech by adding a derivational affix (e.g., the noun "legalization" from the verb "legalize"), [2] but it can also refer to the complex noun that is formed as a result.
In a word such as independently, the morphemes are said to be in-, de-, pend, -ent, and -ly; pend is the (bound) root and the other morphemes are, in this case, derivational affixes. [ d ] In words such as dogs , dog is the root and the -s is an inflectional morpheme.
Unlike derivational suffixes, English derivational prefixes typically do not change the lexical category of the base (and are so called class-maintaining prefixes). Thus, the word do, consisting of a single morpheme, is a verb, as is the word redo, which consists of the prefix re-and the base root do.
Moreover, some pairs of affixes have identical phonological form but different meanings. For example, the suffix -er can be either derivational (e.g. sell ⇒ seller) or inflectional (e.g. small ⇒ smaller). Such morphemes are called homophonous. [11] Some words might seem to be composed of multiple morphemes but are not.
The derivational morphemes carry only derivational information. [4] The affix is composed of all inflectional morphemes, and carries only inflectional information. [5] The compound root morpheme + derivational morphemes is often called the stem. [6] The decomposition stem + desinence can then be used to study inflection.