Lexicology. Word structure in Modern English

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The analysis of derivative relations aims at establishing a correlation between different types and the structural patterns words are built on. The basic unit at the derivational level is the stem.

The stem is defined as that part of the word which remains unchanged throughout its paradigm, thus the stem which appears in the paradigm (to) ask ( ), asks, asked, asking is ask-; thestem of the word singer ( ), singer’s, singers, singers’ is singer-. It is the stem of the word that takes the inflections which shape the word grammatically as one or another part of speech.

The structure of stems should be described in terms of IC’s analysis, which at this level aims at establishing the patterns of typical derivative relations within the stem and the derivative correlation between stems of different types.

There are three types of stems: simple, derived and compound.

Simple stems are semantically non-motivated and do not constitute a pattern on analogy with which new stems may be modeled. Simple stems are generally monomorphic and phonetically identical with the root morpheme.
The derivational structure of stems does not always coincide with the result of morphemic analysis. Comparison proves that not all morphemes relevant at the morphemic level are relevant at the derivational level of analysis. It follows that bound morphemes and all types of pseudo- morphemes are irrelevant to the derivational structure of stems as they do not meet requirements of double opposition and derivative interrelations.
So the stem of such words as retain, receive, horrible, pocket, motion, etc. should be regarded as simple, non- motivated stems.

Derived stems are built on stems of various structures though which they are motivated, i.e. derived stems are understood on the basis of the derivative relations between their IC’s and the correlated stems. The derived stems are mostly polymorphic in which case the segmentation results only in one IC that is itself a stem, the other IC being necessarily a derivational affix.

Derived stems are not necessarily polymorphic.

Compound stems are made up of two IC’s, both of which are themselves stems, for example match-box, driving-suit, pen-holder, etc. It is built by joining of two stems, one of which is simple, the other derived.

In more complex cases the result of the analysis at the two levels sometimes seems even to contracted one another.

The derivational types of words are classified according to the structure of their stems into simple, derived and compound words.

Derived words are those composed of one root- morpheme and one or more derivational morpheme.

Compound words contain at least two root- morphemes, the number of derivational morphemes being insignificant.

Derivational compound is a word formed by a simultaneous process of composition and derivational.

Compound words proper are formed by joining together stems of word already available in the language.

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