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3.2.1 Word Structure

Complex words such as annotation, builder, professor, and others have internal structure. It is necessary not only to identify each component of the morphemes but also to classify them according to their contribution to the meaning and function of complex words. Typically, complex words consist of a root and one or more affixes. The root constitutes the core of the word and carries the major component of its meaning. Roots belong to a lexical category such as noun (N), verb (V), adjective (A), and preposition (P). Unlike roots, affixes are bound morphemes, and they do not belong to a lexical category. Affixes are subdivided into prefixes and suffixes. For example, when the suffix –er combines with the root build, the noun builder is coined to denote one who builds. The internal structure of this word can be shown in a diagram, which O’Grady, Archibald, Aronoff, and Rees-Miller call “a tree structure” (p. 135). When an affix is attached to the root, the form is called a base or a stem (The terms a base and stem may be used interchangeably). Sometimes a base corresponds to the word’s root; for example, in cat, the root is cat, and it is also a base.

N

V Af

build er A

Af A

un kind V

V Af

play ed V

A Af

modern ize

3.2.2 Stems

A stem is the actual form to which an affix (a suffix or a prefix) is added. In blacken, for example, the affix -en is added to the root black. Sometimes, an affix can be added to the form, which is larger than a root, e.g., authorization.

V

V

Af

N Af

author iz (a)tion

3.2.3 Types of affixes

We can distinguish three types of affixes in terms of their position relative to the stem. An affix, which is attached to the front of the stem, is called a prefix, and an affix, which is attached to the end of the stem, is called a suffix.

Some English prefixes and suffixes

PrefixesSuffixes

de+base

de+cease

dis+prove

im+part

im+bibe

in+tone

inter+fere

in+trepid

pre+fix

pre+judge

pre+side

employ+ment

enjoy+ment

frang+ible

frenz+y

fulmin+ate

gorge+ous

grate+ful

hunt+er

nation+al+ize

profess+or

prob+ation

A less common type of affix is an infix, which occurs within another morpheme. Although it is common in some languages, in English it appears with expletives, which provide extra emphasis to the word. One might point to certain usages on the American frontier such as guaran-damn-tee , abso-bloody-lutely, and others.

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