1.2.1

Adding a Prefix with a Hyphen

Test yourself

Adding a Prefix with a Hyphen: Prefix 'co-'

If a prefix ends with a vowel and the root word starts with the same vowel, we can use a hyphen to join them.

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Prefixes

  • Some examples of prefixes are:
    • 'co-'
    • 're-'
    • 'anti-'
    • 'pro-'
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Co-operate

  • Prefix: 'co-'(ends in vowel).
  • Word: operate (begins with the same vowel).
    • prefix + word → co-operate
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Re-evaluate

  • Prefix: 're-' (ends in vowel).
  • Word: evaluate (begins with the same vowel).
    • prefix + word → re-evaluate
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Anti-inflammatory

  • Prefix: 'anti-' (ends in vowel).
  • Word: inflammatory (begins with the same vowel).
    • prefix + word → anti-inflammatory

Jump to other topics

1Reading

1.1Reading

1.2Prefixes

1.3Suffixes

1.4Spelling Rules

1.5Reading Comprehension

1.6Reading Comprehension: SAT Practise

1.7Word Meaning

1.8Fact vs. Opinion

1.9Justifying Views

1.10Figurative Language

1.11Text Structure

2Writing

2.1Sounds in Words

2.2Homophones

2.3Using a Dictionary

2.4Writing Composition

2.5The Subjunctive Mood

2.6Modal Verbs

2.7Active & Passive Voice

2.8Relative Clauses

2.9Expanded Nouns

2.10Punctuation

2.11SAT Spelling Practise

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