What context can I use each word in?
Learn when and how to use these words with these examples!
assurance
Example
The company provided assurance that the product would be delivered on time. [assurance: noun]
Example
She gave me assurance that everything would be okay. [assurance: noun]
certainty
Example
There is a high degree of certainty that it will rain tomorrow. [certainty: noun]
Example
He spoke with certainty, knowing that he was right. [certainty: noun]
Good things to know
Which word is more common?
Certainty is more commonly used than assurance in everyday language. Certainty is a widely understood term and is frequently used to express confidence or conviction. Assurance, although less common, is still used in specific contexts where guarantees or promises are involved.
What’s the difference in the tone of formality between assurance and certainty?
Both assurance and certainty can be used in formal and informal contexts. However, certainty is more versatile and can be employed in a wider range of situations, making it slightly more formal than assurance.
