Jul 18, 2016

Hyphens with Prefixes

7 cards
  • Rule 1
    The current trend is to do away with unnecessary hyphens. Therefore, attach most prefixes and suffixes onto root words without a hyphen.
    • Examples:
      noncompliance copayment semiconscious fortyish

    • Rule 2
      Hyphenate prefixes when they come before proper nouns.
      • Example:
        un-American

      • Rule 3
        Hyphenate prefixes ending in an a or i only when the root word begins with the same letter.
        • Examples:
          ultra-ambitious
          semi-invalid

        • Rule 4
          When a prefix ends in one vowel and a root word begins with a different vowel, generally attach them without a hyphen.
          • Examples:
            antiaircraft
            proactive

          • Rule 5
            Prefixes and root words that result in double e’s and double o’s are usually combined to form one word.
            • Examples:
              preemployment
              coordinate
              Exceptions: de-emphasize
              co-owner

            • Rule 6
              Hyphenate all words beginning with self except for selfish and selfless.
              • Examples:
                self-assured
                self-respect
                self-addressed

              • Rule 7
                Use a hyphen with the prefix ex.
                • Example:
                  His ex-wife sued for nonsupport.

                • Rule 8
                  Use the hyphen with the prefix re only when:

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