Example:
* Happy and joyful are synonyms.
Key Points:
* Synonyms are words that can be used interchangeably in a sentence without significantly changing the meaning.
* The choice of synonym can affect the tone or style of writing.
* Synonyms can be helpful for avoiding repetition and making writing more interesting.
Other Examples of Synonyms:
* Big and large
* Sad and depressed
* Beautiful and gorgeous
* Start and begin
* Finish and end
Note: While synonyms have similar meanings, they may not be exactly interchangeable in all contexts. The specific word choice may depend on the nuances of meaning, the formality of the writing, or other factors.