Cool MateBegin vs Commence vs Initiate vs Start
When to use each in English, with meaning, register, and examples.
Begin
Top 1,000 (very common)A1verb
Commence
FormalTop 3,000 (common)C1verb
Initiate
Top 2,000 (common)C1verb
Start
Top 1,000 (very common)A1verb
Most formal: Commence
| Begin | Commence | Initiate | Start | |
|---|---|---|---|---|
| Pronunciation | 🇬🇧 /["/bɪˈɡɪn/","/bɪˈɡɪnz/","/bɪˈɡæn/","/bɪˈɡʌn/","/bɪˈɡɪnɪŋ/"]/🇺🇸 /["/bɪˈɡɪn/","/bɪˈɡɪnz/","/bɪˈɡæn/","/bɪˈɡʌn/","/bɪˈɡɪnɪŋ/"]/ | 🇬🇧 //kəˈmɛns//🇺🇸 //kəˈmɛns// | 🇬🇧 /["/ɪˈnɪʃieɪt/","/ɪˈnɪʃieɪts/","/ɪˈnɪʃieɪtɪd/","/ɪˈnɪʃieɪtɪŋ/"]/🇺🇸 /["/ɪˈnɪʃieɪt/","/ɪˈnɪʃieɪts/","/ɪˈnɪʃieɪtɪd/","/ɪˈnɪʃieɪtɪŋ/"]/ | 🇬🇧 /["/stɑːt/","/stɑːts/","/ˈstɑːtɪd/","/ˈstɑːtɪŋ/"]/🇺🇸 /["/stɑːrt/","/stɑːrts/","/ˈstɑːrtɪd/","/ˈstɑːrtɪŋ/"]/ |
| Meaning | To start something. | To start or begin something. | To start something. | To begin something |
| Example | I will begin my homework after dinner. | The ceremony will commence at noon. | to initiate legal proceedings against somebody | Please start the engine before we leave. |
| Register | Neutral | Formal | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 3,000 (common) | Top 2,000 (common) | Top 1,000 (very common) |
| CEFR level | A1 | C1 | C1 | A1 |
| Part of speech | verb | verb | verb | verb |
| Collocations | again, all over again, anew, be due to, be expected to, be scheduled to, by, with, begin at the beginning, be just beginning, be only beginning, again, all over again, anew, be due to, be expected to, be scheduled to, by, with, begin at the beginning, be just beginning, be only beginning | commence operations, commence proceedings, commence studies | formally, immediately, recently | suddenly, immediately, just, decide to, expect to, hope to, as, by, from, get (somebody/something) started, a good, great, etc. place to start, let’s start, suddenly, immediately, just, decide to, expect to, hope to, as, by, from, get (somebody/something) started, a good, great, etc. place to start, let’s start |
| Antonyms | end, finish, conclude | cease, stop, end | terminate, end, cease | stop, finish, end |
| Common mistakes | Confusing 'begin' with 'start' in casual contexts., Incorrectly using it without an object, e.g., 'I will begin.' instead of 'I will begin the project.', Using 'began' instead of 'begin' in present tense situations. | Used incorrectly in informal contexts where simpler 'start' would be better., Confused with 'committed' due to similar sounds., Often misspelled as 'comence'. | Confused with 'initiation' which is the process of starting something., Using it in informal settings where simpler words like 'start' are preferred., Forgetting to use an object after 'initiate', such as 'initiate a project.' | Confused with 'begin' — both mean similar things but are used in slightly different contexts., Used as a noun incorrectly — 'start' is mainly a verb., Misplaced in phrasal verbs — it should not be confused with 'start up' in business contexts. |
| Usage notes | Use 'begin' in most contexts, both spoken and written. It’s appropriate for formal situations but can also be used informally. Avoid using in very casual contexts where a simpler word like 'start' may be better. | Used in formal writing and speeches. It's less common in everyday conversation. Often used in legal and professional contexts. | Use 'initiate' in contexts where a formal or official start is needed, like in business or academic settings. It may feel too formal in casual conversations. | Use 'start' for beginning actions or events. It's appropriate in both speaking and writing, but in formal contexts, you might use 'initiate' instead. |
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Frequently asked questions: Begin vs Commence vs Initiate vs Start
What's the difference between Begin, Commence, Initiate, and Start?
Begin: To start something. Commence: To start or begin something. Initiate: To start something. Start: To begin something
Which is more formal: Begin, Commence, Initiate, and Start?
Commence is the most formal of these.
Are Begin, Commence, Initiate, and Start the same CEFR level?
Begin: A1, Commence: C1, Initiate: C1, Start: A1 on the CEFR scale.
What part of speech are Begin, Commence, Initiate, and Start?
Begin: verb, Commence: verb, Initiate: verb, Start: verb.
Can you show an example of each?
Begin: I will begin my homework after dinner. Commence: The ceremony will commence at noon. Initiate: to initiate legal proceedings against somebody Start: Please start the engine before we leave.
Can I use Begin, Commence, Initiate, and Start interchangeably?
Not always. Begin, Commence, Initiate, and Start 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.