Cool MateFuck vs Swear
When to use each in English, with meaning, register, and examples.
Fuck
VulgarTop 1,000 (very common)
Swear
InformalTop 2,000 (common)B2verb
Most formal: SwearMost common: Fuck
| Fuck | Swear | |
|---|---|---|
| Pronunciation | 🇬🇧 //fʌk//🇺🇸 //fʌk// | 🇬🇧 /["/sweə(r)/","/sweəz/","/swɔː(r)/","/swɔːn/","/ˈsweərɪŋ/"]/🇺🇸 /["/swer/","/swerz/","/swɔːr/","/swɔːrn/","/ˈswerɪŋ/"]/ |
| Meaning | A bad word used to express anger or frustration, also means to have sexual intercourse. | To use rude or offensive words. |
| Example | I can't believe you f*cked that up! | I swear to tell the truth in my testimony. |
| Register | Vulgar | Informal |
| How common | Top 1,000 (very common) | Top 2,000 (common) |
| CEFR level | - | B2 |
| Part of speech | verb | |
| Collocations | f*ck up, f*ck around, f*ck off, f*cking amazing, f*cking hell | loudly, quietly, silently, hear somebody, at, solemnly, on oath, under oath, be prepared to, make somebody, by, on, to, be sworn into office, swear somebody to secrecy, swear somebody to silence, solemnly, on oath, under oath, be prepared to, make somebody, by, on, to, be sworn into office, swear somebody to secrecy, swear somebody to silence, solemnly, on oath, under oath, be prepared to, make somebody, by, on, to, be sworn into office, swear somebody to secrecy, swear somebody to silence, solemnly, on oath, under oath, be prepared to, make somebody, by, on, to, be sworn into office, swear somebody to secrecy, swear somebody to silence |
| Antonyms | love, respect | praise, compliment |
| Common mistakes | Using 'f*ck' in formal writing., Confusing its meaning when expressing excitement ('That f*cking awesome!') vs. anger., Using as a noun incorrectly (should be 'f*ck' not 'fucking'). | Confusing 'swear' with 'promise' — they have different meanings., Using it in formal writing where it's not acceptable., Using 'swear to' instead of 'swear at' when expressing anger. |
| Usage notes | Generally used in informal contexts, often among friends. May be offensive in formal settings. Avoid in professional environments. | Used in informal settings to express anger or frustration. Often considered inappropriate in formal contexts. Be cautious of the audience and setting before using. |
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Frequently asked questions: Fuck vs Swear
What's the difference between Fuck and Swear?
Fuck: A bad word used to express anger or frustration, also means to have sexual intercourse. Swear: To use rude or offensive words.
Which is more formal: Fuck and Swear?
Swear is the most formal of these.
Which is more common: Fuck and Swear?
Fuck is the most common in everyday English.
Can you show an example of each?
Fuck: I can't believe you f*cked that up! Swear: I swear to tell the truth in my testimony.
Can I use Fuck and Swear interchangeably?
Not always. Fuck and Swear 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.