Common vs Ordinary

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

Common

Top 1,000 (very common)A1adjective

Ordinary

Top 2,000 (common)A2adjective
Most common: Common
 CommonOrdinary
Pronunciation🇬🇧 /["/ˈkɒmən/"]/🇺🇸 /["/ˈkɑːmən/"]/🇬🇧 /["/ˈɔːdnri/"]/🇺🇸 /["/ˈɔːrdneri/"]/
MeaningSomething that happens often or is found everywhere.Common or usual; not special or different.
ExampleIt's common to see people wearing masks during flu season.The ordinary day turned extraordinary with a surprise party.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelA1A2
Part of speechadjectiveadjective
Collocationsbe, seem, become, extremely, fairly, very, among, in, be, to, have something in common, hold something in common, in common with, be, seem, sound, very, a bit, ratherbe, look, seem, very, perfectly, quite, be, look, seem, very, perfectly, quite
Antonymsrare, unusual, infrequentextraordinary, exceptional, unusual
Common mistakesConfused with ' uncommon' which means rare., Using as a noun instead of an adjective., Mispronouncing as 'com-man' instead of 'kom-un'.'Ordinary' confused with 'extraordinary' — they are opposites., Using 'ordinary' to describe positive experiences may seem negative., Misusing 'ordinary' as a verb.
Usage notesUse 'common' to describe something typical or usual. It's appropriate in both spoken and written English, but avoid using it in very formal contexts where a more precise term may be better.Use 'ordinary' to describe things that are normal or average. Avoid in contexts where something is rare or exceptional.

Frequently asked questions: Common vs Ordinary

What's the difference between Common and Ordinary?

Common: Something that happens often or is found everywhere. Ordinary: Common or usual; not special or different.

Which is more common: Common and Ordinary?

Common is the most common in everyday English.

Which is more advanced: Common and Ordinary?

Ordinary is the highest level, at A2, on the CEFR scale.

Are Common and Ordinary the same CEFR level?

Common: A1, Ordinary: A2 on the CEFR scale.

What part of speech are Common and Ordinary?

Common: adjective, Ordinary: adjective.

Can you show an example of each?

Common: It's common to see people wearing masks during flu season. Ordinary: The ordinary day turned extraordinary with a surprise party.

Can I use Common and Ordinary interchangeably?

Not always. Common and Ordinary 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.

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