how do you spell it? outperformance vs. out-performance

How do you spell it? “Out-performance” vs. “outperformance”

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The browser’s spellchecker keeps tagging “outperformance” as a typo. I feel very annoyed when this happens because I The prefix out- should be united with whatever follows, just as bride and groom should be united.believe it’s wrong. This spurred me to do research on the correctness of my assumption.

The case for “outperformance”

Here’s the evidence in favor of marrying “out” and “performance” so they’re one word:

  1. “Generally do not hyphenate when using a prefix with a word that starts with a consonant,” said The Associated Press Stylebook, when I originally researched this question some years ago. More recently, the online AP Stylebook says, “Follow Webster’s New World College Dictionary.” The dictionary includes “outperform” without a hyphen.
  2. Words into Type says, “The modern tendency is to eliminate the hyphen between a prefix and a root unless the root is a proper noun or adjective, such as un-American.”
  3. I asked, “What would The Wall Street Journal do?” as suggested in my financial jargon killer blog post. At a quick glance, the newspaper appears to favor “outperform.”

The case for “out-performance” with a hyphen

I mustered one piece of  evidence in favor of hyphenating “out-performance” when I originally researched this post. Google yielded more than 931 million search results for “out-performance” vs. only 1.01 million for “outperformance.” It’s strange that the first four results use the spelling “outperformance,” as you see in the screen shot on the left.

I found a similar discrepancy between the number of search results for “outperformance” versus “out-performance” and the spelling in the actual search results when I repeated my search in March 2024. However, the gap between the number of search results shrank to 5.6 million for the hyphenated word versus 5 million for the unhyphenated word.

Results of my spelling poll

When I polled my newsletter and blog readers about the proper spelling, “outperformance” won in a landslide, with 92% of the vote. Here are the results:

  • Outperformance: 92%
  • Out-performance: 0
  • Out performance: 8%

 

 

Note: This post was updated again on March 22, 2024. I updated this piece on December 1, 2013, to share the results of my poll, instead of directing readers to a poll that’s no longer active. This post originated as a request for readers to respond to a poll.

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3 replies
  2. Susan Weiner, CFA
    Susan Weiner, CFA says:

    Thanks, Kristin!

    I should do a poll on advisor/adviser. I think the main thing is to be consistent in how you spell it. I use “advisor” because that’s how my two most recent employers spelled it.

  3. Howard S Sample
    Howard S Sample says:

    Reminds me of a recent article in Writers Digest as

    to the perpetual confusion between “whom” and “who”.

    In other words, when do you use which?

    Personally, I’ve known (or HOPE I DO) since high

    school how to distinguish between the two. But apparently

    there are a lot of professional writers who disagree as

    to the guidelines.

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