What context can I use each word in?
Learn when and how to use these words with these examples!
decompose
Example
The leaves in the compost pile will decompose over time. [decompose: verb]
Example
The forensic team used chemicals to help decompose the body for analysis. [decompose: verb]
decay
Example
The fallen tree began to decay and return to the soil. [decay: verb]
Example
The old building showed signs of decay with peeling paint and crumbling walls. [decay: noun]
Good things to know
Which word is more common?
Decay is more commonly used than decompose in everyday language, especially when referring to natural processes. Decompose is more technical and scientific, and is often used in academic or professional contexts.
What’s the difference in the tone of formality between decompose and decay?
While both words can be used in formal and informal contexts, decompose is more technical and scientific, and is therefore more likely to be used in formal contexts.
