Transcript Prefixes * Roots

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Most words used in the English language
today were not originally English.
These words were borrowed (taken) from
other languages. The majority of English
words have Latin or Greek origins.
It is helpful to know some of these origins or
"roots" of English vocabulary.
It may be possible to guess the meaning of
an unknown word when one knows the
meaning of its root.
Knowing prefixes and suffixes can also assist
in the process.
Most words are made up of various
combinations of the following word
parts: prefix, suffix, base word, and root.
 Therefore, one way to determine a
word’s meaning is to break down the
word into its parts and figure out the
meaning of each part.
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http://www.teachertube.com/viewVideo.php?
video_id=126398&title=Prefixes__Suffixes__and_
Roots_Rap (Words Have Power)
noun
 a word having the same or nearly the
same meaning as another in the
language, as happy, joyful, elated.
 A dictionary of synonyms and antonyms
(or opposites), such as Thesaurus.com, is
called a thesaurus.
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noun
 a word opposite in meaning to another.
 Fast is an antonym of slow.
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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.
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› Pre+pay = prepay
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The root is the part of the word that
contains the basic meaning (definition)
of the word.
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The root is the base element of the word.
A root can’t stand alone as a word.
› Ex: struct
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A prefix is a word element that is placed
in front of a root or base word. A prefix
changes the word's meaning or makes a
new word.
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http://youtu.be/9EU4DtsJBY0
A suffix is a word element that is placed
after the root or base word.
 The suffix changes the word's meaning
as well as its function (use).
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Prefixes and suffixes are
called affixes because they are
attached to a root.
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Explore:
› http://youtu.be/ZOJrjNR7ZZM
› http://www2.southampton.liu.edu/academi
c/pau/course/webesl.htm
› http://www2.southampton.liu.edu/academi
c/pau/course/webex1.htm
These 20 prefixes account for 97 percent of
occurrences.
All other prefixes accounted for only 3% of
the words.
1
un
not, opposite of
26
unhappy
2
re
again, back
14
return
3
in, im, ir, ill not, opposite of
11
indirect
Immature, irreversible, illegal
4
dis
not, opposite of
7
discover
5
en, em cause to
empower
4
enjoy,
6
non not, opposite of
4
nonfiction
7
in, im in or into
4
inside
8
over
too much, above 3
overgrown
9
mis
wrongly
3
mistake
10
sub under, lower
3
submarine

http://youtu.be/mRdMYuNeAng
11
pre
before
3
prepared
12
inter between, among 3
international
13
fore
before
3
foresee
14
de
opposite of, down 2
descent
15
trans across
2
transport
16
super
above, beyond
1 supermarket
17
semi
half
1
semicircle
18
anti
against
1
antisocial
19
mid
middle
1
midsemester
20
under too little, below
1
underfed
These 20 suffixes account for 93 percent of
occurrences.
All other suffixes accounted for only 7% of
the words.
http://youtu.be/pYdIjc85tRc
1
s, es plurals
31
boys
2
ed
past-tense verbs
20 wanted
3
ing
verb form/present participle 14
playing
A Present Participle is used with the verb 'To Be' to
indicate an action that is incomplete:Eg: I
am reading / I was reading
4
ly
characteristic of
7
friendly
5
er, or
person connected with
4
teacher
6
ion, tion, ation, ition
act, process
4
action
7
ible, able can be done 2
likeable
8
aI, iaI
having characteristics of
1
final
9
y
characterized by
1
funny
10
ness
state of, condition of
1
happiness
11
ity, ty state of
1
activity
12
ment
action or process 1
enjoyment
13
ic
having characteristics of
1
comic
14 ous, eous, ious possessing the qualities of
1
serious
15
en
made of
1
enliven
16
er
comparative
1
bigger
17
ive, ative, itive adjective form of a noun 1 attentive
18
ful
full of
1
sorrowful
19
less
without
1
hopeless
20
est
comparative
1
biggest