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13.4: Review of Final < e > Deletion

Difficulty Level: At Grade Created by: CK-12
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1. Another change that can occur when elements combine involves silent final <e>. Usually when we add a suffix that starts with a vowel to a free stem that ends with a silent final <e>, we delete the final <e>: delete + ion = delet\begin{align*}\cancel{e}\end{align*} + ion = deletion . If we did not delete the final <e>, we would end up with the incorrect spelling *deleteion.

Final <e> Deletion Rule. You delete a silent final <e> that marks a soft <c> or soft <g> when you add a suffix that starts with an <e>, \begin{align*}<\mathrm{i}>\end{align*}, or <y>. Except for a few stems that end in <oe> or <ee>, you delete all other silent final <e>’s anytime you add a suffix that starts with any vowel.

2. Combine the stems and suffixes. Make sure that your description of the process shows any final <e> deletion that occurs:

Free Stem + Suffix Process Word
delete + ion delet\begin{align*}\cancel{e}\end{align*} + ion deletion
complete + ion complet\begin{align*}\cancel{e}\end{align*} + ion completion
accommodate + ion accommodat\begin{align*}\cancel{e}\end{align*} + ion accommodation
observe + er observ\begin{align*}\cancel{e}\end{align*} + er observer
collapse + ed collaps\begin{align*}\cancel{e}\end{align*} + ed collapsed
advantage + ous advantage + ous advantageous
sacrifice + ing sacrific\begin{align*}\cancel{e}\end{align*} + ing sacrificing
agree + able agree + able agreeable
illuminate + ed illuminat\begin{align*}\cancel{e}\end{align*} + ed illumninated
assimilate + ion assimilat\begin{align*}\cancel{e}\end{align*} + ion assimilation
canoe + ing canoe + ing canoeing
agree + ed agre\begin{align*}\cancel{e}\end{align*} + ed agreed

3. Analyze each word into a free stem plus suffix. Show any final <e> deletion that occurred when the stem and suffix combined. Answer “Yes” or “No” in the right hand column:

Word Free stem + suffix Was there final <e> deletion?
assurance assur\begin{align*}\cancel{e}\end{align*} + ance Yes
accumulating accumulat\begin{align*}\cancel{e}\end{align*} + ing Yes
horseshoer horsesho\begin{align*}\cancel{e}\end{align*} + er Yes
alleged alleg\begin{align*}\cancel{e}\end{align*} + ed Yes
courageous courage + ous No
admirable admir\begin{align*}\cancel{e}\end{align*} + able Yes
mistaking mistak\begin{align*}\cancel{e}\end{align*} + ing Yes
peaceable peace + able No
education educat\begin{align*}\cancel{e}\end{align*} + ion Yes
observer observ\begin{align*}\cancel{e}\end{align*} + er Yes
squeezing squeez\begin{align*}\cancel{e}\end{align*} + ing Yes
judgement judge + ment No

4. Final <e> Deletion Rule. You delete a silent final <e> that marks a soft <c> or soft <g> only when you add a suffix that starts with an <e>, \begin{align*}\underline{<i>}\end{align*}, or <y>. Except for a few stems that end in <ee> or <oe>, you delete all other silent final <e>’s anytime you add a suffix that starts with any vowel.

Teaching Notes.

Item 1. Final <e> deletion is discussed in detail in Book 2, Lessons 20-21; Book 3, Lessons 32, 35, 39, 41; Book 4, Lesson 19. Deleting final <e> in stems that end in <ee> and <oe> is discussed in Book 6, Lessons 1-3.

Item 3. There are two accepted spellings judgment and judgement , of which the former is the more common. However, since the suffix does not start with a vowel, there is no motivation for deleting the final <e>. The Principle of Preferred Regularity encourages us to prefer the spelling that fits the relevant rules or patterns, so we prefer the spelling judgement . For more on the Principle of Preferred Regularity, see AES, pp. 25-26.

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Grades:
1 , 2 , 3 , 4 , 5
Date Created:
Feb 23, 2012
Last Modified:
Jul 07, 2015
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