Multiple choice

The plural form of “crisis”?

  1. crises

  2. crisis

  3. criseses

  4. none of these
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A Correct answer
Explanation

Words ending in -is from Greek (like crisis, thesis, analysis) form their plural by changing -is to -es. The singular "crisis" becomes "crises" in the plural, following the Greek-derived pattern, not the English -s or -es rules.

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