The "Official" Data Answer
According to a recent WordFinder study using search data from 2024 and 2025, the most mispronounced word in Washington State was "Birria" (the popular Mexican beef stew, pronounced BEE-ryah). An older study famously cited "Primeval" as the state's stumbling block.
However, most residents would argue that these studies miss the point. You can mispronounce "birria" and still be forgiven. But if you mess up the name of the state's second-largest city, you will immediately be identified as an outsider.
The True Test: Washington's Place Names
The real "most mispronounced" words are the towns, counties, and geographic features that locals learn from birth. Here are the ones that trip up visitors the most.
1. Puyallup
This is the heavyweight champion of Washington tongue-twisters. Home to the Washington State Fair, its name is of Native American origin (meaning "the generous people").
- The Mistake: "Poo-yall-up" or "Pull-yall-up."
- The Local Way: "Pew-AL-up." (Think of a church "pew," then "Al," then "up.")
2. Sequim
Located on the Olympic Peninsula, this town's name looks like it should have two syllables. It does not.
- The Mistake: "See-kwim" or "Sek-wim."
- The Local Way: "Skwim." (One syllable. Like "swim" with a K.)
3. Spokane
This is the quickest way to annoy a resident of Eastern Washington. The city is not a candy cane.
- The Mistake: "Spo-CANE."
- The Local Way: "Spo-CAN." (Rhymes with "pan" or "man.")
4. Pend Oreille
A county and a river in the northeast corner of the state, this name comes from French fur traders ("earring").
- The Mistake: "Pend-O-Rill" or "Pend-O-Rail."
- The Local Way: "Pond-o-RAY."
5. Tulalip
A resort and casino destination north of Seattle that trips up tourists constantly.
- The Mistake: "Too-la-lip."
- The Local Way: "Tuh-LAY-lip."
The "Washington" Debate
Finally, there is the name of the state itself. While not precisely a "mispronunciation" in the traditional sense, there is a distinct generational divide.
- Standard Pronunciation: "WASH-ing-ton."
- The "Grandparent" Accent: "WARSH-ing-ton." You will still hear older generations and rural residents insert an intrusive "R" into the name, turning "wash" into "warsh." While younger generations have mostly dropped it, the "Washington" pronunciation remains a beloved (and debated) piece of local dialect.