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Affixes and Word Formation

Sep 5, 2025

Overview

This lecture introduces affixes, which are word parts added to the beginning or end of base words to change their meanings.

What Are Affixes?

  • Affixes are small word parts that can be attached to base words to create new words.
  • They make the English language flexible by allowing new word formations.

Prefixes

  • Prefixes are affixes added to the beginning of a word.
  • Examples include "re-" (again), "un-" (not), and "dis-" (not or opposite).
  • "Pre-" (before) is another example, as in "prefix".

Suffixes

  • Suffixes are affixes added to the end of a word.
  • Examples include "-ful" (full of), "-ly" (in a way), "-less" (without), and "-ness" (state of being).
  • Suffixes can be added to words that already have other suffixes (e.g., "hopeful" + "-ness" = "hopefulness").

Combining Affixes

  • You can combine prefixes and suffixes to create new words and meanings.
  • Making up new words with affixes can help in understanding how they change word meanings.

Key Terms & Definitions

  • Affix — A word part added to a base word to change its meaning.
  • Prefix — An affix attached to the beginning of a word (e.g., "unhappy").
  • Suffix — An affix attached to the end of a word (e.g., "joyful").
  • Root/Base Word — The main part of a word to which affixes are added.

Action Items / Next Steps

  • Study provided lists of common prefixes and suffixes.
  • Practice making new words using affixes for better understanding.