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Question:

Which of the following words is spelled correctly?

A occurrence
Explaination


Occurrence is correct because when a word ends in a consonant preceded by a vowel, the consonant is doubled before adding a suffix that begins with a vowel.
Deterrance is incorrect because the suffix should be -ence.
Excelence is incorrect because the L should be doubled.
Repelent is incorrect because the L should be doubled.