Hazard or Hazzard: Which Spelling Is Correct?

Unlike a pair of two valid words, hazard and hazzard are not both correct: hazard is the standard spelling with a single z, and hazzard is a misspelling for the common word. A hazard is a danger or a source of risk, "a fire hazard," "the icy road was a hazard," "she hazarded a guess." The adjective is hazardous, and every standard form keeps just one z. The wrong version, hazzard, doubles that z, an error strongly reinforced by the television show The Dukes of Hazzard, whose county name is a proper noun and follows its own rule. That mix of a common word with a famous name places hazzard vs hazard among the commonly confused words where a proper name bleeds into everyday spelling. This guide explains why the word is hazard, where the single z comes from, why hazzard keeps tempting people, and a reliable way to keep the spelling right.

Which One Is Correct?

There is a clear answer: hazard is correct, and hazzard is not. Merriam-Webster, Oxford, and Cambridge all list hazard as the standard spelling for the noun and the verb, along with hazardous, hazarded, and hazarding. Hazzard appears in none of them as a common word; it exists only as a proper name.

If you want the word that means a danger or a risk, you want hazard, with a single z. "Loose wires are a safety hazard." "They warned us about the hazards ahead." "It would be hazardous to drive tonight." There is no context in ordinary writing where hazzard is the right choice.

The practical rule of thumb is short: one danger, one z. The everyday word never doubles the z, no matter which form you use. Because hazzard is not a stylistic variant but an outright error for the common word, keeping the single z is all you need to get it right every time.

Where Hazard Comes From

Understanding the word's history makes the single z feel logical rather than arbitrary. Hazard entered English in the thirteenth century from Old French hasard, the name of a game played with dice. The French form has a single s, not a doubled letter. Trace it back further and it runs through Spanish azar to the Arabic az-zahr, meaning "the die" or "the dice." Originally, then, a hazard was a throw of the dice, a game of chance, and only later did the word come to mean the risk or danger that such chance implies.

The important point for spelling is that nothing in that chain doubles the z. The French hasard has one s; when English adopted the word, it settled on a single z to match the single sound. That single z has stayed put ever since, and it runs through the whole family:

• hazard — a danger or risk
• hazardous — dangerous, risky
• hazarded — ventured, risked
• hazarding — venturing, risking

Every one of these keeps a single z. There is simply no standard English word in this family that doubles it. So the spelling is not a special exception you have to memorize against the grain; it is the straightforward result of the word's one-z history.

Why People Write Hazzard

If hazard is the only correct form for the common word, why does hazzard keep appearing? The confusion has a few clear sources.

The biggest by far is the television show The Dukes of Hazzard. The show is set in the fictional Hazzard County, and its name is spelled with a double z. Because the show and its title have been seen by millions over decades, the double-z spelling feels familiar and even correct. But Hazzard County is a proper noun, a made-up place name, and proper names are free to spell themselves however they like. That spelling does not transfer to the everyday word for danger.

A second cause is false analogy with double-z words. English does have a cluster of words that double the z, such as buzzard, blizzard, gizzard, and wizard has a single z but dizzy and fuzzy double it. Because the -zz- pattern is common in short words with a stressed first syllable, writers over-apply it and produce hazzard. But hazard is not built like buzzard; it comes from hasard with a single sound, so it keeps one z.

A third factor is doubling by habit, the same instinct that leads people to add an extra letter in words like habbit vs habit or to double the wrong consonant in possess vs posses, where knowing exactly how many of a letter belongs is the whole challenge. With hazard, the safe habit is the opposite of doubling: keep it to one z.

Examples in Sentences

Seeing the correct spelling in context, next to the error, makes the single z stick.

Correct uses of hazard:

• The frayed cord was an obvious fire hazard.
• Workers wore masks to handle the hazardous chemicals.
• She hazarded a guess at the answer.
• New drivers learn to spot road hazards early.

Wrong to right corrections:

• Wet floors are a slipping hazzard. to Wet floors are a slipping hazard.
• The waste is hazzardous to handle. to The waste is hazardous to handle.
• He hazzarded a risky bet. to He hazarded a risky bet.

In every correction the fix is the same: the double-z hazzard becomes the single-z hazard, matching the word's French and Arabic roots and every standard form.

Hazard vs Hazzard: Side by Side

The table sets the correct spelling against the error.

Aspect	Hazard	Hazzard
Status	correct, standard	misspelling of the common word
Number of z's	one	two (wrong here)
From	French hasard, Arabic az-zahr	doubled by error
Forms	hazardous, hazarded, hazarding	not accepted
Only valid as	the everyday word	a proper name (a TV county)
Use it?	always	never for the common word

The key row is "number of z's": the common word hazard takes exactly one z, tracing to hasard with a single sound, while hazzard doubles it by error or borrows it from a proper name. Keep the single z and the word is always right.

How to Remember

The cleanest trick ties the spelling to the meaning. A real hazard is one danger, so give it one z. If you can picture a single warning sign, a single risk, you can picture a single z. One hazard, one z.

A second cue uses the word's origin. Hazard comes from the Arabic az-zahr, "the die", a single roll of a single die. That single throw left a single z in English. So when you spell it, think of one die landing: ha-zard, one z, no double.

The most useful cue of all is to quarantine the double z where it belongs. The only place Hazzard is correct is the fictional county in The Dukes of Hazzard, a made-up name that plays by its own rules. Real dangers are not spelled like TV counties. Anchor hazard to its roots, keep the count at one z the way habbit vs habit keeps a single b and possess vs posses hinges on counting the s's, and you will spell it correctly every time.

Related Spelling Mixups

Hazard vs hazzard is one of many English pairs where the question is simply how many of a letter belongs, and where an outside influence pushes writers toward the wrong count. If this pair tripped you up, a few neighbors are worth a look. The pair habbit vs habit turns on resisting the urge to double a consonant, exactly the restraint you need to keep one z in hazard. The pair possess vs posses is the mirror image: there the challenge is remembering to include enough of a letter rather than too few. You can also compare the doubling logic in occurring vs occuring, where a single doubled consonant decides the whole spelling. Each of these lives in the same commonly confused words collection, and each rewards the same habit: learn the exact letter count and stop guessing.

Conclusion

Hazard is the correct spelling for the everyday word meaning danger or risk, and it takes a single z; hazzard, with a double z, is a misspelling of that common word. Hazard came into English from French hasard, which had a single sound, and traces back through Spanish to the Arabic az-zahr, "the die", so a hazard was once a throw of the dice. Nothing in that history doubles the z, and every standard form keeps just one: hazard, hazardous, hazarded. People write hazzard mostly because of the television show The Dukes of Hazzard, whose county name is a proper noun with a double z, and partly by false analogy with words like buzzard and blizzard. The remedy is a single anchor: one danger, one z, and the double z stays in the fictional county where it belongs. For more pairs where the whole spelling comes down to how many of a letter you use, browse the full collection of commonly confused words.