Cool MateCombine vs Consolidate vs Fuse vs Integrate vs Merge vs Unite
When to use each in English, with meaning, register, and examples.
Combine
Top 1,000 (very common)B1verb
Consolidate
Top 5,000 (fairly common)C1verb
Fuse
Top 2,000 (common)
Integrate
Top 2,000 (common)B2verb
Merge
Top 1,000 (very common)C1verb
Unite
Top 2,000 (common)B2verb
| Combine | Consolidate | Fuse | Integrate | Merge | Unite | |
|---|---|---|---|---|---|---|
| Pronunciation | 🇬🇧 /["/kəmˈbaɪn/","/kəmˈbaɪnz/","/kəmˈbaɪnd/","/kəmˈbaɪnɪŋ/"]/🇺🇸 /["/kəmˈbaɪn/","/kəmˈbaɪnz/","/kəmˈbaɪnd/","/kəmˈbaɪnɪŋ/"]/ | 🇬🇧 /["/kənˈsɒlɪdeɪt/","/kənˈsɒlɪdeɪts/","/kənˈsɒlɪdeɪtɪd/","/kənˈsɒlɪdeɪtɪŋ/"]/🇺🇸 /["/kənˈsɑːlɪdeɪt/","/kənˈsɑːlɪdeɪts/","/kənˈsɑːlɪdeɪtɪd/","/kənˈsɑːlɪdeɪtɪŋ/"]/ | 🇬🇧 //fjuːz//🇺🇸 //fjuːz// | 🇬🇧 /["/ˈɪntɪɡreɪt/","/ˈɪntɪɡreɪts/","/ˈɪntɪɡreɪtɪd/","/ˈɪntɪɡreɪtɪŋ/"]/🇺🇸 /["/ˈɪntɪɡreɪt/","/ˈɪntɪɡreɪts/","/ˈɪntɪɡreɪtɪd/","/ˈɪntɪɡreɪtɪŋ/"]/ | 🇬🇧 /["/mɜːdʒ/","/ˈmɜːdʒɪz/","/mɜːdʒd/","/ˈmɜːdʒɪŋ/"]/🇺🇸 /["/mɜːrdʒ/","/ˈmɜːrdʒɪz/","/mɜːrdʒd/","/ˈmɜːrdʒɪŋ/"]/ | 🇬🇧 //juːˈnaɪt//🇺🇸 //juˈnaɪt// |
| Meaning | To join two or more things together. | To combine things into one. | To join two things together; to mix. | To combine things into a whole. | To combine two or more things into one. | To bring together to form one group or whole. |
| Example | You can combine ingredients to create a delicious meal. | With this new movie he has **consolidated** his **position** as the country's leading director. | The artist chose to fuse different materials in her sculpture. | We need to integrate new technology into our existing systems. | The two companies decided to merge to increase their market share. | The goal is to unite all citizens for a common cause. |
| Register | Neutral | Neutral | Neutral | Neutral | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 5,000 (fairly common) | Top 2,000 (common) | Top 2,000 (common) | Top 1,000 (very common) | Top 2,000 (common) |
| CEFR level | B1 | C1 | - | B2 | C1 | B2 |
| Part of speech | verb | verb | verb | verb | verb | |
| Collocations | successfully, well, against, with | consolidate resources, consolidate information, consolidate power, consolidate debts, consolidate efforts | fuse together, fuse into, fuse with, fuse circuit, fuse design | closely, tightly, well, into, with, highly integrated, poorly integrated, well, completely, fully, into, with | merge data, merge companies, merge cells, merge ideas, merge accounts | unite efforts, unite people, unite under a cause, unite for peace |
| Antonyms | separate, divide, disjoin | separate, divide | separate, disconnect, diverge | segregate, isolate, separate | split, divide | divide, separate, split |
| Common mistakes | Confused with 'combin' which is not a real word., Incorrectly using 'combine' with a subject (e.g., 'I combine an idea') instead of an object., Using 'combined' when 'combine' is needed in a present tense context. | Confused with 'consolidation' — they are related but not interchangeable., Used incorrectly as a transitive verb without an object., Mispronounced as 'consoled-date' instead of 'con-solid-ate'. | Confusing with 'fused' as the past tense; remember it's a present form., Incorrectly using 'fuse' when referring to temporary mixtures; it's more permanent. | Confused with 'segregate', which means to separate., Using 'integrate' with an incorrect preposition, e.g., 'integrate with' instead of 'into'., Incorrectly using 'integrate' as a noun instead of a verb. | Confusing with 'marge', which is not a valid word., Using 'merge' without an object; remember it needs something to merge., Omitting the 's' in present tense for third person (e.g., 'he merge' instead of 'he merges'). | Confused with 'united', which is past tense., Omitting the object when using 'unite'., Using 'unite' without context, leading to vagueness. |
| Usage notes | Used in both spoken and written English; common in cooking, science, and teamwork contexts. Avoid using in very informal situations where simpler terms like 'mix' may be preferred. | Used in business and legal contexts to refer to combining resources or information. Avoid using in casual conversations. | Used in both formal and informal contexts; often suggests a strong joining of elements, like in science or art. | Use 'integrate' in formal and neutral contexts, particularly in academic or professional settings. It is typically not used in casual conversations. | Use when talking about combining ideas, companies, or data. It's appropriate in both spoken and written contexts, such as business or technology. | Used in both formal and informal contexts. Common in discussions about teamwork, alliances, and movements. Avoid in very casual conversations. |
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Frequently asked questions: Combine vs Consolidate vs Fuse vs Integrate vs Merge vs Unite
What's the difference between Combine, Consolidate, Fuse, Integrate, Merge, and Unite?
Combine: To join two or more things together. Consolidate: To combine things into one. Fuse: To join two things together; to mix. Integrate: To combine things into a whole. Merge: To combine two or more things into one. Unite: To bring together to form one group or whole.
Can you show an example of each?
Combine: You can combine ingredients to create a delicious meal. Consolidate: With this new movie he has **consolidated** his **position** as the country's leading director. Fuse: The artist chose to fuse different materials in her sculpture. Integrate: We need to integrate new technology into our existing systems. Merge: The two companies decided to merge to increase their market share. Unite: The goal is to unite all citizens for a common cause.
Can I use Combine, Consolidate, Fuse, Integrate, Merge, and Unite interchangeably?
Not always. Combine, Consolidate, Fuse, Integrate, Merge, and Unite 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.