What context can I use each word in?
Learn when and how to use these words with these examples!
cay
Example
We took a boat to explore the cay and enjoyed snorkeling in the crystal-clear waters. [cay: noun]
Example
The cay is home to a diverse range of marine life and beautiful coral reefs. [cay: noun]
key
Example
We rented a beach house on the key and enjoyed the stunning ocean views. [key: noun]
Example
The lighthouse on the key serves as an important navigational aid for ships. [key: noun]
Good things to know
Which word is more common?
Key is more commonly used than cay in everyday language, especially in the United States. Key has a broader range of contexts and can refer to different types of small islands, while cay is more specific to tropical regions.
Whatโs the difference in the tone of formality between cay and key?
Both cay and key are generally informal words, suitable for casual conversations and informal writing.