Краткий курс лекций по лексикологии английского языка для студентов неязыковых вузов. Москалёва Е.В. - 47 стр.

                  Suffixes can be polysemantic, such as : -er can form nouns
            with the following meanings: agent, doer of the action expressed
            by the stem (speaker), profession, occupation (teacher), a device,
            a tool (transmitter). While speaking about suffixes we should also
            mention compound suffixes which are added to the stem at the
            same time, such as -ably, -ibly, (terribly, reasonably), -ation
            (adaptation from adapt).
                  There are also disputable cases whether we have a suffix or
            a root morpheme in the structure of a word, in such cases we call
            such morphemes semi-suffixes, and words with such suffixes can
            be classified either as derived words or as compound words, e.g. -
            gate (Irangate), -burger (cheeseburger), -aholic (workaholic) etc.
            Prefixation
                  Prefixation is the formation of words by means of adding a
            prefix to the stem. In English it is characteristic for forming verbs.
            Prefixes are more independent than suffixes. Prefixes can be
            classified according to the nature of words in which they are used:
            prefixes used in notional words and prefixes used in functional
            words. Prefixes used in notional words are proper prefixes which
            are bound morphemes, e.g. un- (unhappy). Prefixes used in
            functional words are semi-bound morphemes because they are
            met in the language as words, e.g. over- (overhead) (cf over the
            table ).
                  The main function of prefixes in English is to change the
            lexical meaning of the same part of speech. But the recent
            research showed that about twenty-five prefixes in Modern
            English form one part of speech from another (bebutton,
            interfamily, postcollege etc).
                  Prefixes can be classified according to different principles:
                  1.    Semantic classification:
                  a)    prefixes of negative meaning, such as: in-
            (invaluable), non- (nonformals), un- (unfree) etc;
                  b)prefixes denoting repetition or reversal actions, such as:
            de- (decolonize), re-(revegetation), dis-(disconnect);
                  c)prefixes denoting time, space, degree relations, such as :
            inter- (interplanetary), hyper-(hypertension), ex- (ex-student),
            pre- (pre-election), over- (overdrugging) etc.;

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