What context can I use each word in?
Learn when and how to use these words with these examples!
decay
Example
The old wooden fence was in a state of decay due to years of exposure to the elements. [decay: noun]
Example
The fruit began to decay after being left out in the sun for too long. [decay: verb]
decomposition
Example
The decomposition of leaves on the forest floor provides nutrients for new plant growth. [decomposition: noun]
Example
The bacteria in the soil help to decompose organic matter, releasing nutrients back into the ecosystem. [decompose: verb]
Good things to know
Which word is more common?
Decay is more commonly used in everyday language, while decomposition is more commonly used in scientific or technical contexts.
What’s the difference in the tone of formality between decay and decomposition?
Decomposition is generally considered more formal than decay, as it is a technical term used primarily in scientific contexts.
