You know that sinking feeling when you realize you’ve been saying something wrong for years? I got mine during a book club meeting last year.

We were discussing a particularly pretentious novel, and I mentioned how the author seemed to love “hyperbowl” statements. The room went quiet. Then someone gently corrected me: “hyperbole.”

I’d been saying it wrong for decades. Decades! And here I was, teaching adults at the literacy center, probably spreading my mispronunciation like a linguistic virus.

That moment stuck with me because it highlighted something we rarely talk about: those common words that educated, intelligent people somehow manage to mangle their entire lives.

We all have them. Maybe you’re reading this right now, blissfully unaware that you’ve been butchering a word since third grade.

The thing is, these mispronunciations stick out. They’re like spinach in your teeth during a job interview. People notice, make assumptions, and suddenly your credibility takes a hit. Is it fair? Probably not. Does it happen? Absolutely.

1. Espresso (not “expresso”)

This one drives coffee snobs absolutely crazy. There’s no “x” in espresso, yet I hear “expresso” constantly, even from people who should know better.

During my office days, we had this fancy new coffee machine installed in the break room. The regional manager, a guy with two master’s degrees, kept calling it the “expresso machine” during the all-hands meeting. You could see people exchanging glances. Nobody corrected him, of course. But I guarantee that’s what everyone remembered from that meeting.

The word comes from Italian, meaning “pressed out” or “expressed.” But it’s spelled with an “s,” not an “x.” Remember: espresso, like “especially” or “establish.”

2. Nuclear (not “nucular”)

Even presidents have stumbled over this one, which might make you feel better if you’re guilty of the “nucular” pronunciation. But that doesn’t make it right.

The word is nuclear: nu-cle-ar. Three syllables, with “clear” at the end. Not “nucular” like “circular.” I once heard a physicist give an entire presentation about nuclear energy while consistently saying “nucular.” The cognitive dissonance nearly broke my brain.

3. Library (not “libary”)

Working at the literacy center, I hear this one a lot. People drop that first “r” like it never existed. “I’m going to the libary.”

It’s library, with both R’s present and accounted for. Think of it as “lib-rary” if that helps. The building is full of books, and its name is full of R’s. Both of them.

4. Supposedly (not “supposably”)

This might be the sneakiest word on the list because “supposably” sounds like it could be real. It’s not. Well, technically it is a word, but it means something entirely different (able to be supposed), and nobody actually uses it that way.

When you mean “according to what is generally assumed,” you want “supposedly.” I caught myself saying “supposably” for years until a colleague at the insurance company pointed it out. She did it kindly, in private, which I appreciated. Not everyone gets that courtesy.

5. Prescription (not “perscription”)

Why do we want to flip those letters around so badly? The prefix is “pre,” meaning before, not “per.” Your doctor writes you a prescription, not a perscription.

I noticed this one constantly when processing medical claims. Even people who wrote it correctly would say “perscription” out loud. It’s like their mouths were rebelling against their brains.

6. Specific (not “pacific”)

Unless you’re talking about the ocean, you probably mean “specific.” This swap happens more than you’d think, especially when people are speaking quickly.

“Can you be more pacific?” No, I cannot be more like an ocean, but I can be more specific. The consonant blend at the beginning trips people up, but slow it down: spe-ci-fic. Not pa-ci-fic.

7. Ask (not “aks”)

This pronunciation has deep historical roots in various English dialects, which makes it more complex than a simple mispronunciation. But in standard American English, it’s “ask,” not “aks.”

During my Toastmasters days, one of our most confident speakers consistently said “aks.” He was brilliant, articulate, and commanding at the podium. But I watched people’s reactions when he said it. Some winced. Others looked surprised. Fair or not, it affected how they perceived his message.

8. Often (the “t” is silent)

Here’s where things get controversial. Technically, both pronunciations are now considered acceptable, but traditionally, the “t” in “often” is silent, like in “soften” or “listen.”

Pronouncing the “t” doesn’t make you wrong anymore, but it might make you sound like you’re trying too hard. It’s one of those situations where knowing the traditional pronunciation gives you options. You can choose based on your audience.

Final thoughts

Look, we all have our linguistic blind spots. I spent most of my life saying “hyperbowl” with complete confidence. The key isn’t perfection; it’s being open to correction and willing to adjust.

These mispronunciations don’t define your intelligence or education. But they do affect first impressions, whether we like it or not. Taking a few minutes to check your pronunciation of commonly misused words isn’t about being pretentious. It’s about making sure your ideas get the attention they deserve, without unnecessary distractions.

Besides, there’s something liberating about finally saying a word correctly after years of getting it wrong. Trust me on that one.