Prefixes, Roots and Suffixes  


 

A good reader can sometimes guess what an unknown word means by breaking that word into parts. Prefixes, roots and suffixes are parts of words.

 

Prefixes:  are word parts that are added at the beginning of a word to produce a different form of the word.

Examples:  pre, post, re, un, il, anti

Roots: are the basic forms of words. Often prefixes or suffixes are added to the root form to make words.  Many roots in English come from Greek and Latin.

Examples: mot, port, ped, scribe, cred

Suffixes: are word parts added to the end of a word. The suffix indicates the part of speech of the word (noun, verb, adjective, adverb) rather than changing the meaning.

Examples: ness, less, ly, ian, ist, tion

 

Read the clues about the prefixes, suffixes and roots in these sentences. Then choose the word closest in meaning to the underlined word.

1."De" means down or away from. Joe was demoted by his boss for his incompetence.

  • given a better job
  • fired from his job
  • given more money
  • given a lower job
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2. "Post" means after. Because of the weather, the game had to be postponed.

  • scheduled
  • delayed
  • canceled
  • checked
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3. The prefix "a" means not. His pro-war attitude seems atypical.

  • antipathetic
  • bad
  • unusual
  • upsetting
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4. "Vers" means turn or change. The students in our class come from diverse backgrounds.

  • ethnic
  • ethical
  • different
  • distinctive
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5. "Co" means together or with. Doctors believe there is a correlation between exercise and the strength of the heart.

  • written relationship
  • measurable relationship
  • unwritten relationship
  • false relationship
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6. After is the best meaning for "post." Harry is completing his postgraduate work at USC.

  • studies after graduating
  • studies after a bachelor's degree
  • studies after a graduate degree
  • studies for a graduate degree
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7. The prefix "in" means not and sometimes changes to "il" or "ir." His illegal behavior led to his arrest.

  • misbehavior
  • conduct
  • improper
  • unlawful
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8. "Pro" means forward. "Cede" or "cess" means move or go. Please proceed with caution.

  • go before
  • continue
  • precede
  • go after
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9. "Post" means after. We must recycle to save the world for our posterity.

  • future leaders
  • future protestors
  • future generations
  • the after world
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10. "Anti" meaning against sometimes changes its form. The antagonist in a fictional piece of writing is which of the following?

  • the person we favor
  • the person we are against
  • the person causing the conflict
  • the person leading to resolution
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11. If "ab" means away from, which of the following is a synonym for the crime of  abduction?

  • murder (killing someone)
  • cheating (doing something dishonestly)
  • kidnaping (holding someone without permission, usually not at his/her home)
  • arson (burning down a building)
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12. A baby that is born early, before the correct time, is referred to as:

  • breach baby
  • congenital
  • genetics
  • premature
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13. "Bene" means good. Which of the following is not beneficial to one's heath?

  • jogging, aerobics
  • proper diet
  • clean air
  • cigarette smoking
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14. "Un" "a" and "non" all mean not. "Nom" means name. A letter which is written, but not signed is:

  • unanimous
  • amoral
  • anonymous
  • apathetic
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15. "Logy" means the study of something. "Theo" means knowledge or God. A theologian studies:

  • ancient civilizations
  • natural disasters
  • biology, medicine
  • religion
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