Appreciate vs Realize

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

Appreciate

Top 1,000 (very common)B1verb

Realize

Top 1,000 (very common)A2verb
 AppreciateRealize
Pronunciation🇬🇧 /["/əˈpriːʃieɪt/","/əˈpriːʃieɪts/","/əˈpriːʃieɪtɪd/","/əˈpriːʃieɪtɪŋ/"]/🇺🇸 /["/əˈpriːʃieɪt/","/əˈpriːʃieɪts/","/əˈpriːʃieɪtɪd/","/əˈpriːʃieɪtɪŋ/"]/🇬🇧 /["/ˈriːəlaɪz//ˈrɪəlaɪz/","/ˈriːəlaɪzɪz//ˈrɪəlaɪzɪz/","/ˈriːəlaɪzd//ˈrɪəlaɪzd/","/ˈriːəlaɪzɪŋ//ˈrɪəlaɪzɪŋ/"]/🇺🇸 /["/ˈriːəlaɪz/","/ˈriːəlaɪzɪz/","/ˈriːəlaɪzd/","/ˈriːəlaɪzɪŋ/"]/
MeaningTo recognize the value or importance of something.To understand something clearly.
ExampleI really appreciate your help with the project.I didn't realize how important that meeting was until it was too late.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelB1A2
Part of speechverbverb
Collocationsreally, truly, fully, deeply, genuinely, greatly, fully, totally, easily, fail to, be generally appreciated, be widely appreciatedfully, dimly, suddenly, begin to, come to, make somebody, with, without realizing (something)
Antonymsdisregard, devalue, neglectignore, overlook, miss
Common mistakesConfused with 'apriciate', a non-existent word., Using 'appreciate' without an object (e.g., 'I appreciate' should be followed by what is appreciated)., Misusing 'appreciate' in negative contexts (e.g., 'I don't appreciate your help' can sound rude).Confusing 'realize' with 'realised' in British English., Using 'realize' without an object (e.g. 'I realized that' is correct)., Mixing up 'realize' with 'recognize'; they have different meanings.
Usage notesThis word is often used in both formal and informal contexts when expressing gratitude or recognizing someone's efforts. It is less commonly used in very casual conversations.Use 'realize' when you come to a new understanding or awareness of something. It's neutral and suitable for both spoken and written contexts. Avoid using it in very formal writing where 'become aware of' might be preferred.

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Appreciate
Realize

Frequently asked questions: Appreciate vs Realize

What's the difference between Appreciate and Realize?

Appreciate: To recognize the value or importance of something. Realize: To understand something clearly.

Which is more advanced: Appreciate and Realize?

Appreciate is the highest level, at B1, on the CEFR scale.

Are Appreciate and Realize the same CEFR level?

Appreciate: B1, Realize: A2 on the CEFR scale.

What part of speech are Appreciate and Realize?

Appreciate: verb, Realize: verb.

Can you show an example of each?

Appreciate: I really appreciate your help with the project. Realize: I didn't realize how important that meeting was until it was too late.

Can I use Appreciate and Realize interchangeably?

Not always. Appreciate and Realize 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.