Cool MateAccomplish vs Complete vs Execute vs Fulfill vs Realize
When to use each in English, with meaning, register, and examples.
Accomplish
Top 1,000 (very common)B2verb
Complete
Top 1,000 (very common)A1adjective
Execute
Top 2,000 (common)C1verb
Fulfill
Top 2,000 (common)B1
Realize
Top 1,000 (very common)A2verb
| Accomplish | Complete | Execute | Fulfill | Realize | |
|---|---|---|---|---|---|
| Pronunciation | 🇬🇧 /["/əˈkʌmplɪʃ/","/əˈkʌmplɪʃɪz/","/əˈkʌmplɪʃt/","/əˈkʌmplɪʃɪŋ/"]/🇺🇸 /["/əˈkɑːmplɪʃ/","/əˈkɑːmplɪʃɪz/","/əˈkɑːmplɪʃt/","/əˈkɑːmplɪʃɪŋ/"]/ | 🇬🇧 /["/kəmˈpliːt/"]/🇺🇸 /["/kəmˈpliːt/"]/ | 🇬🇧 /["/ˈeksɪkjuːt/","/ˈeksɪkjuːts/","/ˈeksɪkjuːtɪd/","/ˈeksɪkjuːtɪŋ/"]/🇺🇸 /["/ˈeksɪkjuːt/","/ˈeksɪkjuːts/","/ˈeksɪkjuːtɪd/","/ˈeksɪkjuːtɪŋ/"]/ | 🇬🇧 //fʊlˈfɪl//🇺🇸 //fʊlˈfɪl// | 🇬🇧 /["/ˈriːəlaɪz//ˈrɪəlaɪz/","/ˈriːəlaɪzɪz//ˈrɪəlaɪzɪz/","/ˈriːəlaɪzd//ˈrɪəlaɪzd/","/ˈriːəlaɪzɪŋ//ˈrɪəlaɪzɪŋ/"]/🇺🇸 /["/ˈriːəlaɪz/","/ˈriːəlaɪzɪz/","/ˈriːəlaɪzd/","/ˈriːəlaɪzɪŋ/"]/ |
| Meaning | To successfully complete something. | To finish something completely. | To carry out or perform a task or order. | To do what is required or promised. | To understand something clearly. |
| Example | The first part of the plan has been safely accomplished. | The puzzle is now complete after I found the last piece. | The software will execute the commands as soon as they are entered. | She worked hard to fulfill her dreams. | I didn't realize how important that meeting was until it was too late. |
| Register | Neutral | Neutral | Neutral | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 1,000 (very common) | Top 2,000 (common) | Top 2,000 (common) | Top 1,000 (very common) |
| CEFR level | B2 | A1 | C1 | B1 | A2 |
| Part of speech | verb | adjective | verb | verb | |
| Collocations | successfully, easily | be, seem, survive, remarkably, very, far from, be, seem, almost, nearly, substantially | summarily, illegally, publicly, as, for, beautifully, boldly, brilliantly, duly executed, beautifully, boldly, brilliantly, duly executed | fulfill a dream, fulfill a promise, fulfill a requirement, fulfill one's duties | fully, dimly, suddenly, begin to, come to, make somebody, with, without realizing (something) |
| Antonyms | fail, neglect, abandon | incomplete, unfinished, partial | cancel, abort, neglect | neglect, disappoint, fail | ignore, overlook, miss |
| Common mistakes | Confusing with 'accomplished' which is an adjective., Using 'accomplish' without an object (e.g., saying 'I accomplish.' instead of 'I accomplish my goals.'). | Confused with 'finished' — both mean to end, but 'complete' emphasizes fullness., Using 'complete' when a task is partially done., 'Complete' is sometimes incorrectly used as a noun. | 'Execute' is often confused with 'prosecute'; remember they have different meanings., Learners may forget that 'execute' typically requires an object, e.g., 'execute a plan'., 'Execute' is sometimes incorrectly used in informal situations where simpler verbs would be more suitable. | Confused with 'fill' — remember they mean different things., Using it without an object is incorrect; you always need to say what you fulfill., Often misspelled as 'fulfil' without the second 'l' in American English. | 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 notes | Use 'accomplish' when referring to achieving goals or tasks, typically in a positive context. It may not be appropriate for casual or less formal situations where simpler words like 'do' might work better. | Use 'complete' in academic or professional contexts when discussing tasks, projects, or forms. Avoid using it in overly casual conversations. | Use 'execute' in formal contexts, such as legal or technical situations. It may sound too rigid in everyday conversation; prefer simpler terms like 'do' or 'carry out' in casual settings. | Used in formal and everyday contexts. It's appropriate when discussing commitments, expectations, or requirements. | 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. |
Frequently asked questions: Accomplish vs Complete vs Execute vs Fulfill vs Realize
What's the difference between Accomplish, Complete, Execute, Fulfill, and Realize?
Accomplish: To successfully complete something. Complete: To finish something completely. Execute: To carry out or perform a task or order. Fulfill: To do what is required or promised. Realize: To understand something clearly.
Which is more advanced: Accomplish, Complete, Execute, Fulfill, and Realize?
Execute is the highest level, at C1, on the CEFR scale.
Are Accomplish, Complete, Execute, Fulfill, and Realize the same CEFR level?
Accomplish: B2, Complete: A1, Execute: C1, Fulfill: B1, Realize: A2 on the CEFR scale.
Can you show an example of each?
Accomplish: The first part of the plan has been safely accomplished. Complete: The puzzle is now complete after I found the last piece. Execute: The software will execute the commands as soon as they are entered. Fulfill: She worked hard to fulfill her dreams. Realize: I didn't realize how important that meeting was until it was too late.
Can I use Accomplish, Complete, Execute, Fulfill, and Realize interchangeably?
Not always. Accomplish, Complete, Execute, Fulfill, 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.