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13.4: Lesson Four

Created by: CK-12

Review of Final <e> Deletion

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\cancel{e} + 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>, <\text{i}>, 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\cancel{e}+ ion deletion
complete + ion
accommodate + ion
observe + er
collapse + ed
advantage + ous
sacrifice + ing
agree + able
illuminate + ed
assimilate + ion
canoe + ing
agree + ed

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\cancel{e} + ance Yes
accumulating
horseshoer
alleged
courageous
admirable
mistaking
peaceable
education
observer
squeezing
judgement

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 ______, ______, or ______. Except for a few stems that end in ______ or ______, you delete all other silent final <e>'s anytime you add a ______ that starts with any ______

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Feb 23, 2012

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Apr 29, 2014
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CK.ENG.ENG.SE.1.Basic-Speller.13.4

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