Appreciation vs Thanks by the way

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

Appreciation

Top 2,000 (common)C1noun

Thanks by the way

InformalTop 5,000 (fairly common)
Most formal: AppreciationMost common: Appreciation
 AppreciationThanks by the way
Pronunciation🇬🇧 /["/əˌpriːʃiˈeɪʃn/"]/🇺🇸 /["/əˌpriːʃiˈeɪʃn/"]/🇬🇧 //θæŋks baɪ ðə weɪ//🇺🇸 //θæŋks baɪ ðə weɪ//
MeaningFeeling thankful or valuing something.A phrase used to add thanks casually.
ExampleHer appreciation for classical music grew after taking a piano lesson.Thanks by the way for helping me with my project.
RegisterNeutralInformal
How commonTop 2,000 (common)Top 5,000 (fairly common)
CEFR levelC1-
Part of speechnoun
Collocationsdeep, great, real, have, share, show, in appreciation, appreciation for, appreciation of, better, clear, deep, have, gain, appreciation of, deep, genuine, heartfelt, express, show, extend, in appreciation (of), with appreciation, appreciation for, a lack of appreciation, a token of your appreciationthanks by the way, say thanks, thanks for your help
Antonymsdisregard, disrespect, indifference-
Common mistakesConfused with 'appreciate' as a verb., Incorrectly used in plural form as 'appreciations'., Using it without a specific object (should be 'appreciation of art').Used in formal emails or speeches., Omitting 'by the way'., Confusing with 'thank you very much'.
Usage notesUse 'appreciation' when talking about recognizing the worth of someone or something. It's suitable for both spoken and written contexts, but may feel a bit formal in casual conversation.Use this phrase in informal conversations to express gratitude while mentioning something else. It's not suitable for formal situations.

See it in real clips

Appreciation
Thanks by the way

Frequently asked questions: Appreciation vs Thanks by the way

What's the difference between Appreciation and Thanks by the way?

Appreciation: Feeling thankful or valuing something. Thanks by the way: A phrase used to add thanks casually.

Which is more formal: Appreciation and Thanks by the way?

Appreciation is the most formal of these.

Which is more common: Appreciation and Thanks by the way?

Appreciation is the most common in everyday English.

Can you show an example of each?

Appreciation: Her appreciation for classical music grew after taking a piano lesson. Thanks by the way: Thanks by the way for helping me with my project.

Can I use Appreciation and Thanks by the way interchangeably?

Not always. Appreciation and Thanks by the way 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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