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Analyzing Word Parts
Prefixes & Suffixes
Analyzing Word Parts
• Sometimes you can infer, or figure
out, the meaning of a word from the
meanings of its parts. Words can
have four different kinds of parts:
base words
word roots
prefixes
suffixes
Base Words
• A base word is a complete word that
can stand alone. However, other
words or word parts may be added to
base words to form new words.
Example
search + light = searchlight
Prefixes
• A prefix is a word part attached to
the beginning of a base word or word
part. The meaning of the newly
formed word is often a combination
of the meaning of the prefix and the
word or word part to which it is
attached.
Prefixes
• For example, the prefix remeans “again, back, or backward.”
When it is added to the word
view, the new word, review,
means “to examine again, look
back over, or study.
Common Prefixes
Prefix
adisem-, eninteroverpro-
Meanings
on, in, without
absence of, not
in
among, between
too much
before, in place of
Examples
aboard
dislike
encourage
interact
overload
pronoun
Suffixes
• A suffix is a word part attached to
the end of a base word or a word
part. A suffix usually determines the
part of speech of a word. For
example, by adding different
suffixes to the adjective short you
can create shorten (verb), shortness
(noun), and shortly (adverb).
Suffixes
• You can create many new words from
just one base word by adding different
prefixes and suffixes to it. See how
many words you can make by combining
these word parts with act.
Prefix
reoveren-
Base
act
Suffix
ion
ive
or
Suffixes
• Did you notice that while react and
overact have the same base word, the
different prefixes give the words very
different meanings?
• Likewise, although active and actor are
very similar words, the suffix –ive
makes active an adjective while the
suffix –or makes actor a noun.
Using Prefixes & Suffixes
See how many word you can build from the
word parts below. Check your answers and
spelling in a dictionary.
Prefix
disinterover
re-
Base
miss
play
pose
Suffix
-able
-al
-ion
-ible
-ive