1. |
![](http://images.keywordspy.com/thumbnail.aspx?w=englishpage.com&cs=562819b018) |
englishpage.com
http://www.englishpage.com/articles/a-vs-an.htm
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Organic Keywords: 5,969
Organic Competitors: 670
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PPC Keywords: 1
PPC Competitors: 0
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2. |
![](http://images.keywordspy.com/thumbnail.aspx?w=grammar.com&cs=1482a2fd9e) |
grammar.com
http://www.grammar.com/a-vs-an-when-to-use/
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Organic Keywords: 1,676
Organic Competitors: 705
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PPC Keywords: 0
PPC Competitors: 0
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3. |
![](http://images.keywordspy.com/thumbnail.aspx?w=englishpage.com&cs=562819b018) |
englishpage.com
http://www.englishpage.com/articles/a-vs-an.htm
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Organic Keywords: 5,969
Organic Competitors: 670
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PPC Keywords: 1
PPC Competitors: 0
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4. |
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owl.english.purdue.edu
https://owl.english.purdue.edu/owl/resource/591/01/
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Organic Keywords: 75,143
Organic Competitors: 734
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PPC Keywords: 0
PPC Competitors: 0
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5. |
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merriam-webster.com
https://www.merriam-webster.com/video/a-vs-an
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Organic Keywords: 739,780
Organic Competitors: 1,119
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PPC Keywords: 8
PPC Competitors: 0
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6. |
![](http://images.keywordspy.com/thumbnail.aspx?w=writingexplained.org&cs=3601396f20) |
writingexplained.org
http://writingexplained.org/a-vs-an-difference
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Organic Keywords: 16,734
Organic Competitors: 0
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PPC Keywords: 0
PPC Competitors: 0
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7. |
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grammar-quizzes.com
http://www.grammar-quizzes.com/article-a-an.html
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Organic Keywords: 3,439
Organic Competitors: 709
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PPC Keywords: 0
PPC Competitors: 0
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8. |
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english.stackexchange.com
http://english.stackexchange.com/questions/152/when-should-i-use-a-vs-an
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Organic Keywords: 194,728
Organic Competitors: 0
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PPC Keywords: 0
PPC Competitors: 0
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9. |
![](http://images.keywordspy.com/thumbnail.aspx?w=eflnet.com&cs=74bcef0d20) |
eflnet.com
http://www.eflnet.com/tutorials/avsan.php
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Organic Keywords: 1,113
Organic Competitors: 638
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PPC Keywords: 0
PPC Competitors: 0
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10. |
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gingersoftware.com
http://www.gingersoftware.com/english-online/spelling-book/confusing-words/a-an-and
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Organic Keywords: 15,323
Organic Competitors: 187
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PPC Keywords: 7
PPC Competitors: 636
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