Common Mistakes with the Plural of Crisis

If you have ever written a business email or a report and paused before typing the plural of “crisis,” you are not alone. The correct plural form is crises (pronounced KRY-seez). Many English learners and even native speakers mistakenly write “crisises” or “crisis” for both singular and plural. This guide will help you avoid those errors, understand the rule behind the change, and use the word naturally in professional and everyday contexts.

Quick Answer: What Is the Plural of Crisis?

The singular noun crisis becomes crises in its plural form. This follows the Greek plural rule where “-is” changes to “-es.” You do not add a regular English “-s” or “-es” ending. So, one crisis, two crises. Never write “crisises” or “crises” as a singular.

Why Is the Plural of Crisis So Confusing?

English has borrowed many words from Greek and Latin, and these words often keep their original plural patterns. Crisis comes from Greek, where nouns ending in “-is” change to “-es” in the plural. Other common examples include thesis (theses), hypothesis (hypotheses), and analysis (analyses). Because this pattern is different from the usual English rule of adding “-s” or “-es,” it creates confusion.

Common Confusion Points

• Adding “-es” to the singular: Some people write “crisises” as if it were a regular noun like “bus” (buses). This is incorrect.
• Using “crisis” for both: In informal speech, you might hear someone say “we have multiple crisis,” but in writing, this is a mistake.
• Mispronunciation: The singular “crisis” ends with a short “is” sound (KRY-sis), while the plural “crises” ends with a long “eez” sound (KRY-seez). Mixing these up can make your speech sound unnatural.

Comparison Table: Crisis vs. Crises

Natural Examples in Business and Everyday Context

Seeing the word in real sentences helps you remember the correct form. Below are examples for different situations.

Formal Business Writing (Reports, Emails, Proposals)

• “The board reviewed the crises that affected supply chains in three regions.”
• “Our risk management team is trained to respond to crises quickly.”
• “During the economic crisis of 2020, we revised our budget.” (singular)

Informal Conversation or Internal Chat

• “We have too many crises to deal with today.”
• “Is this another crisis, or can it wait until tomorrow?” (singular)
• “I can’t believe we survived all those crises last year.”

Email Context

• Subject line: “Update on Current Crises in the Marketing Department”
• Body: “Please find attached a summary of the recent crises and our proposed solutions.”
• Follow-up: “If you notice any new crisis, please alert the team immediately.” (singular)

Common Mistakes and How to Fix Them

Here are the most frequent errors learners make with “crisis” and “crises,” along with corrections.

Mistake 1: Writing “Crisises”

Incorrect: “The company has faced several crisises this year.”
Correct: “The company has faced several crises this year.”
Why: “Crisis” follows the Greek pattern, not the regular English plural rule.

Mistake 2: Using “Crises” as a Singular Noun

Incorrect: “This is a major crises for our team.”
Correct: “This is a major crisis for our team.”
Why: “Crises” is already plural. Use “crisis” for one event.

Mistake 3: Confusing Pronunciation

Incorrect: Saying “KRY-sis” for both singular and plural.
Correct: Singular = KRY-sis, Plural = KRY-seez.
Tip: Practice saying “one crisis, two crises” aloud until the difference feels natural.

Mistake 4: Overusing “Crisis” in Plural Contexts

Incorrect: “We are dealing with multiple crisis right now.”
Correct: “We are dealing with multiple crises right now.”
Why: The word “multiple” signals a plural noun is needed.

Better Alternatives and When to Use Them

Sometimes “crisis” or “crises” is the best word, but in other situations, a synonym can make your writing clearer or more appropriate for the tone.

Formal or Professional Alternatives

• Emergency: Use for urgent, immediate situations. Example: “We have an emergency in the server room.”
• Disaster: Use for large-scale, destructive events. Example: “The product launch was a disaster.”
• Setback: Use for smaller, temporary problems. Example: “The delay was a minor setback.”
• Predicament: Use for difficult, awkward situations. Example: “We are in a predicament with the client.”

Informal or Conversational Alternatives

• Mess: “The project is a complete mess right now.”
• Problem: “We have a problem with the budget.”
• Issue: “There are several issues to resolve.”

When to Stick with “Crisis” or “Crises”

Use “crisis” or “crises” when you want to emphasize seriousness, urgency, or a turning point. In business writing, these words carry weight and signal that the situation is critical. Avoid overusing them for minor problems, or they will lose their impact.

Mini Practice: Test Your Understanding

Choose the correct word (crisis or crises) for each sentence. Answers are below.

1. The team handled the ______ professionally. (one event)
2. We have experienced several ______ in the last five years.
3. Is this a new ______ or the same one from last week?
4. The report lists all the ______ that affected sales.

Answers

1. crisis
2. crises
3. crisis
4. crises

Frequently Asked Questions

1. Is “crises” ever used as a singular noun?

No. “Crises” is always plural. If you see it used as a singular, it is a mistake. The singular form is always “crisis.”

2. How do I remember the plural of crisis?

Think of other Greek words that follow the same pattern: one thesis, two theses; one hypothesis, two hypotheses. Practice saying “one crisis, two crises” until it becomes automatic.

3. Can I use “crisis” in informal emails?

Yes, but be careful not to exaggerate. If you call every small problem a “crisis,” your colleagues may stop taking you seriously. Use it only for genuinely serious situations.

4. What is the pronunciation difference between crisis and crises?

The singular “crisis” ends with a short “is” sound (like “this”). The plural “crises” ends with a long “eez” sound (like “knees”). Listen to native speakers or use an online dictionary to hear the difference.

Final Tip for Real Writing

When you are writing a business email or report, read your sentence aloud. If you have used “crisis” for more than one event, change it to “crises.” If you have used “crises” for a single event, change it to “crisis.” This simple habit will eliminate the most common mistake. For more help with tricky plural forms, visit our Confusing Plurals section or explore Plural Spelling Rules for other patterns. If you have questions, check our FAQ or contact us.