Dictionary-enhanced plural guide
What is the Plural of “Decrease”?
This page treats the word as a noun when it has a countable noun use.
Singular and Plural Form of Decrease
Decrease is the singular noun form. Decreases is the plural form.
Dictionary meaning: To make something lower or smaller in amount or quantity.
Why is the Plural of Decrease “decreases”?
The Regular Plural Rule for Decrease
Most English nouns form the plural by adding -s. Example: decrease → decreases
How to Remember the Plural of Decrease
Just add -s to “decrease” to make “decreases”. Most English nouns follow this pattern.
A common slip-up: Learners often stress the first syllable incorrectly..
Singular vs Plural Examples with Decrease
See decrease and decreases used in real sentences side by side.
- The store decreased prices after the holiday sale ended. B1
- Sales have decreased by 20 percent this quarter. B1
- As you go higher up the mountain, oxygen levels decrease. B2
Common Plural Mistakes with Decrease
Wrong: Pollution is decreased when people use cars less.
Correct: Pollution decreases when people use cars less.
Active voice is more natural for describing natural processes.
How to Pronounce Decrease and Decreases
Stress the second syllable: de-CREASE. The 'ease' sounds like 'eese'.
Origin and Etymology of Decrease
From Latin decrescere: to grow less.
Frequently Asked Questions About the Plural of Decrease
What is the plural of “decrease”?
The plural of “decrease” is “decreases”.
Is “decreases” regular or irregular?
This page classifies it as regular based on the available plural data.