What context can I use each word in?
Learn when and how to use these words with these examples!
proficiency
Example
She has a high level of proficiency in speaking Spanish. [proficiency: noun]
Example
He demonstrated his proficiency in coding by completing the project quickly. [proficiency: noun]
expertise
Example
The company hired her for her expertise in marketing. [expertise: noun]
Example
He is an expert in the field of neuroscience, having published several papers on the topic. [expert: noun]
Good things to know
Which word is more common?
Proficiency is more commonly used than expertise in everyday language, as it covers a wider range of contexts and is more versatile. Expertise is more formal and often used in professional or academic settings.
What’s the difference in the tone of formality between proficiency and expertise?
Expertise is more formal than proficiency and is often used in professional or academic contexts. It suggests a higher level of knowledge and experience and is typically used to describe specialized skills or knowledge.
