Commonly vs Usually

When to use each in English, with meaning, register, and examples.

Commonly

Top 2,000 (common) B2 adverb

Usually

Top 1,000 (very common) A1 adverb

Most common: Usually

	Commonly	Usually
Pronunciation	🇬🇧 /["/ˈkɒmənli/"]/ 🇺🇸 /["/ˈkɑːmənli/"]/	🇬🇧 /["/ˈjuːʒuəli//ˈjuːʒəli/"]/ 🇺🇸 /["/ˈjuːʒuəli//ˈjuːʒəli/"]/
Meaning	happening often; usual	Most of the time; normally.
Example	Commonly, people mistake these two similar terms for one another.	I usually have coffee in the morning.
Register	Neutral	Neutral
How common	Top 2,000 (common)	Top 1,000 (very common)
CEFR level	B2	A1
Part of speech	adverb	adverb
Collocations	commonly used, commonly accepted, commonly known	usually go, usually find, usually see
Antonyms	rarely, seldom	never, seldom
Common mistakes	Using 'common' instead of 'commonly', Confusing 'commonly' with 'common', forgetting it's an adverb, Incorrectly placing 'commonly' in sentences	Using 'usually' with absolute terms like 'always'., Confusing 'usually' with 'often'; 'often' means more frequently than 'sometimes' but less than 'usually'., Placing 'usually' incorrectly in a sentence.
Usage notes	Use 'commonly' in everyday situations to describe things that are frequent or typical. It's more formal than using 'often', so avoid it in very casual conversations.	Use 'usually' to describe habits or things that happen often, but not always. Avoid using in very formal writing; 'typically' might be better.

See it in real clips

A déjà vu is usually a glitch in the Matrix when they change something.

Sherlock › S1 E1

Do people usually assume you're the murderer?

The Pitt › S1 E1

He's not usually this sleepy?

A déjà vu is usually a glitch in the Matrix when they change something.

Sherlock › S1 E1

Do people usually assume you're the murderer?

Usually

Frequently asked questions: Commonly vs Usually

What's the difference between Commonly and Usually?

Commonly: happening often; usual Usually: Most of the time; normally.

Which is more common: Commonly and Usually?

Usually is the most common in everyday English.

Which is more advanced: Commonly and Usually?

Commonly is the highest level, at B2, on the CEFR scale.

Are Commonly and Usually the same CEFR level?

Commonly: B2, Usually: A1 on the CEFR scale.

What part of speech are Commonly and Usually?

Commonly: adverb, Usually: adverb.

Can you show an example of each?

Commonly: Commonly, people mistake these two similar terms for one another. Usually: I usually have coffee in the morning.

Can I use Commonly and Usually interchangeably?

Not always. Commonly and Usually are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.