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Adding Suffixes to Words That End in Y Study Guide

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Updated on Sep 28, 2011

Adding Suffixes to Words That End in Y

This lesson covers how to add suffixes to words that end in -y.

You'll learn which situations require you to change a final y to an i and which situations do not. In general, the rules that apply to the final y are fairly easy and consistent.

    The rules for adding endings to words that end in y are:
  • If the final y follows a consonant, change it to an i when adding any ending except -ing
  • fly + er = flier, fly + ing = flying
  • If the final y follows a vowel, it does not change, regardless of the ending
  • toy + ed = toyed, toy + ing = toying

These rules apply to all endings, with the sole exception of -ing. With the -ing ending you always keep the final y. Let's take a look at some examples.

Final y

Practice exercises for this study guide can be found at:

Adding Suffixes to Words That End in Y Practice Exercises

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