According to the website, Readers Digest, in an analysis of all 240,000 entries in the Concise Oxford English Dictionary, OED editors found that the letter E appears in approximately 11% of all words in the common English vocabulary, about 6,000 more words than the runner-up letter, A.
The top 5 most common letters in the Concise Oxford English Dictionary and the percentage of words they appear in are:
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E – 11.1607%
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A – 8.4966%




