Root Words, Prefixes, Suffixes
What is a root word?
 Root words are real words that we use to build
  other words by adding prefixes and suffixes
 Example:
   Like
     Dis-like
     Lik-ed
Prefixes
 Prefixes come at the beginning of the word


   Prefix        Meaning          Examples
   A-, An-       Not, without     Amoral, anesthetic
   Com-          With, together   Communal,
                                  community
   Dis-          Apart, not       Disengage,
                                  discomfort
   Im-           Not              Imperfect, impolite
   Micro-        Small            Microscope
Suffixes
 Suffixes come at the end of the word


   Suffix       Meaning            Examples
   -cide        Kill(ing)          Suicide, infanticide
   -ism         The belief in      Communism,
                                   terrorism
   -ist         One who believes Communist, pacifist
                in
   -logy        Study field of     Biology, cardiology
   -phobia      Exaggerated fear   Claustrophobia,
                                   agoraphobia
Practice!
 How many words do you know that use these
    root words?
   Geo
   Grad
   Jud
   Like
   Count
   Photo
   auto

Root words, prefixes, suffixes

  • 1.
  • 2.
    What is aroot word?  Root words are real words that we use to build other words by adding prefixes and suffixes  Example:  Like  Dis-like  Lik-ed
  • 3.
    Prefixes  Prefixes comeat the beginning of the word Prefix Meaning Examples A-, An- Not, without Amoral, anesthetic Com- With, together Communal, community Dis- Apart, not Disengage, discomfort Im- Not Imperfect, impolite Micro- Small Microscope
  • 4.
    Suffixes  Suffixes comeat the end of the word Suffix Meaning Examples -cide Kill(ing) Suicide, infanticide -ism The belief in Communism, terrorism -ist One who believes Communist, pacifist in -logy Study field of Biology, cardiology -phobia Exaggerated fear Claustrophobia, agoraphobia
  • 5.
    Practice!  How manywords do you know that use these root words?  Geo  Grad  Jud  Like  Count  Photo  auto