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Plural of Crisis
The Quick Answer
The plural of crisis is crises.The Plural of Crisis
The plural of crisis is crises.- Crises are abrupt negative changes in security, economic, political, or environmental affairs.
- Natural crises such as tsunamis or volcanoes are inherently unpredictable.

Are You Good at Plurals?
Here's a quick test.The Standard Rules for Forming the Plurals
The table below shows the standard rules for forming the plurals of nouns in English.Type | Example of Type | Forming the Plural | Plural |
---|---|---|---|
Most Nouns | ![]() ![]() |
add s | ![]() ![]() |
Noun Ending s, sh, ch, x or z | ![]() ![]() |
add es | ![]() ![]() |
Nouns ending [consonant] o |
![]() ![]() |
add either s or es (There are no rules for this - you have to know.) |
![]() ![]() |
Nouns ending [vowel] o | ![]() ![]() |
add s | ![]() ![]() |
Nouns ending [consonant] y | ![]() ![]() |
change the y to an i and add es | ![]() ![]() |
Nouns ending [vowel] y | ![]() ![]() |
add s | ![]() ![]() |
Nouns ending f or fe | ![]() ![]() |
ves and/or s (There are no rules - you have to know.) |
![]() ![]() |
Nouns ending is | ![]() ![]() |
change the is to es | ![]() ![]() |
Exceptions | ![]() ![]() |
some nouns undergo a vowel or letters change | ![]() ![]() |
More exceptions | ![]() ![]() |
some nouns do not change at all | ![]() ![]() |
Foreign rulings | ![]() ![]() |
some nouns adopt foreign rulings | ![]() ![]() |
Why Is There Confusion over the Plural of Crisis?
Crises is the only way to make the noun crisis plural.Confusion arises because some mistakenly believe that all nouns ending in s should form a plural that adds es to the end of the word. When a noun ends with is, you need to replace the is with an es to form the plural. This is because its plural form derives from Greek.
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