Cool MateAccept vs Undertake
When to use each in English, with meaning, register, and examples.
Accept
Top 1,000 (very common)A2verb
Undertake
Top 2,000 (common)B2verb
Most common: Accept
| Accept | Undertake | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/əkˈsept/","/əkˈsepts/","/əkˈseptɪd/","/əkˈseptɪŋ/"]/🇺🇸 /["/əkˈsept/","/əkˈsepts/","/əkˈseptɪd/","/əkˈseptɪŋ/"]/ | 🇬🇧 /["/ˌʌndəˈteɪk/","/ˌʌndəˈteɪks/","/ˌʌndəˈtʊk/","/ˌʌndəˈteɪkən/","/ˌʌndəˈteɪkɪŋ/"]/🇺🇸 /["/ˌʌndərˈteɪk/","/ˌʌndərˈteɪks/","/ˌʌndərˈtʊk/","/ˌʌndərˈteɪkən/","/ˌʌndərˈteɪkɪŋ/"]/ |
| Meaning | To agree to receive something or to believe it is true. | To take on a task or responsibility. |
| Example | I am happy to accept your invitation to the party. | to **undertake a task/project** |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 2,000 (common) |
| CEFR level | A2 | B2 |
| Part of speech | verb | verb |
| Collocations | eagerly, gladly, graciously, be glad to, be happy to, be reluctant to, from, happily, readily, fully, be happy to, be prepared to, be ready to, be commonly accepted, be generally accepted, be universally accepted, eagerly, gladly, graciously, be glad to, be happy to, be reluctant to, from, happily, readily, fully, be happy to, be prepared to, be ready to, be commonly accepted, be generally accepted, be universally accepted, happily, readily, fully, be happy to, be prepared to, be ready to, be commonly accepted, be generally accepted, be universally accepted | undertake a project, undertake research, undertake responsibilities, undertake an assignment, undertake a task |
| Antonyms | reject, decline, refuse | abandon, neglect, shirk |
| Common mistakes | Confused with 'except' - remember 'accept' means to receive., Using 'accept' without an object - always specify what is being accepted., Mixing up 'accept' and 'admit' - 'accept' is about receiving, while 'admit' often implies recognition. | Confusing with 'take on' — they are similar but context differs., Using 'undertake' without an object — remember to specify what is being undertaken., Incorrect verb forms like 'undertaked' instead of 'undertook' or 'undertaken'. |
| Usage notes | Used when someone agrees to something offered, like an invitation or a proposal. It's appropriate in both formal and casual contexts but may become less common in very informal speech. | Use 'undertake' for formal or serious tasks. Avoid using it in casual conversations. It’s more common in academic or professional contexts. |
See it in real clips
Frequently asked questions: Accept vs Undertake
What's the difference between Accept and Undertake?
Accept: To agree to receive something or to believe it is true. Undertake: To take on a task or responsibility.
Which is more common: Accept and Undertake?
Accept is the most common in everyday English.
Which is more advanced: Accept and Undertake?
Undertake is the highest level, at B2, on the CEFR scale.
Are Accept and Undertake the same CEFR level?
Accept: A2, Undertake: B2 on the CEFR scale.
What part of speech are Accept and Undertake?
Accept: verb, Undertake: verb.
Can you show an example of each?
Accept: I am happy to accept your invitation to the party. Undertake: to **undertake a task/project**
Can I use Accept and Undertake interchangeably?
Not always. Accept and Undertake 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.