Commend vs Thank

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

Commend

FormalBeyond 10,000 (less common)B1verb

Thank

High-frequency chunkA1verb
Most formal: CommendMost common: Thank
 CommendThank
Pronunciation🇬🇧 //kəˈmɛnd//🇺🇸 //kəˈmɛnd//🇬🇧 /["/θæŋk/","/θæŋks/","/θæŋkt/","/ˈθæŋkɪŋ/"]/🇺🇸 /["/θæŋk/","/θæŋks/","/θæŋkt/","/ˈθæŋkɪŋ/"]/
MeaningTo praise someone or something for a good job.To say you are grateful for something.
ExampleThe manager decided to commend the team for their hard work on the project.I want to thank you for your help.
RegisterFormalNeutral
How commonBeyond 10,000 (less common)High-frequency chunk
CEFR levelB1A1
Part of speechverbverb
Collocationscommend someone for something, commend highly, commend to the attention ofgratefully, heartily, profusely, must, want to, would like to, for
Antonymscriticize, disparage, denounceblame, criticize, curse
Common mistakesConfusing 'commend' with 'recommend'. They have different meanings., Using 'commend' without an object. It needs to reference what is being praised.Using 'thank' without an object, e.g., saying 'I thank' instead of 'I thank you.', Confusing 'thank' with 'thanks'—'thank' is a verb, while 'thanks' is a noun., Omitting 'you' when thanking someone, which can make it sound insincere.
Usage notesUse 'commend' in formal contexts, such as speeches or reports. Avoid in casual conversations.Use 'thank' in everyday situations when expressing gratitude. More formal situations might use 'express gratitude.' Avoid using it in contexts where a more formal tone is required.

Frequently asked questions: Commend vs Thank

What's the difference between Commend and Thank?

Commend: To praise someone or something for a good job. Thank: To say you are grateful for something.

Which is more formal: Commend and Thank?

Commend is the most formal of these.

Which is more common: Commend and Thank?

Thank is the most common in everyday English.

Are Commend and Thank the same CEFR level?

Commend: B1, Thank: A1 on the CEFR scale.

Can I use Commend and Thank interchangeably?

Not always. Commend and Thank 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.