Cool MateChapter vs Division vs Part vs Segment
When to use each in English, with meaning, register, and examples.
Chapter
Top 2,000 (common)B1noun
Division
Top 2,000 (common)B2noun
Part
Top 1,000 (very common)A1noun
Segment
Top 3,000 (common)C1noun
Most common: Part
| Chapter | Division | Part | Segment | |
|---|---|---|---|---|
| Pronunciation | 🇬🇧 /["/ˈtʃæptə(r)/"]/🇺🇸 /["/ˈtʃæptər/"]/ | 🇬🇧 /["/dɪˈvɪʒn/"]/🇺🇸 /["/dɪˈvɪʒn/"]/ | 🇬🇧 /["/pɑːt/"]/🇺🇸 /["/pɑːrt/"]/ | 🇬🇧 /["/ˈseɡmənt/"]/🇺🇸 /["/ˈseɡmənt/"]/ |
| Meaning | A part of a book or story. | The act of separating things into parts or groups. | A piece or segment of something. | A part or section of something. |
| Example | The first chapter of the book introduces the main characters. | The division between the two teams was clear after the match. | She plays a significant part in the school play. | She cleaned a small segment of the painting. |
| Register | Neutral | Neutral | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 2,000 (common) | Top 1,000 (very common) | Top 3,000 (common) |
| CEFR level | B1 | B2 | A1 | C1 |
| Part of speech | noun | noun | noun | noun |
| Collocations | first, introductory, opening, be entitled something, be titled something, address something, read, write, dedicate, in a/the chapter, chapter about, chapter on, difficult, sad, unhappy | clear, simple, complex, make, division among, division between, division into, the division of labour/labor, the division of wealth, long, do, division by, bitter, deep, great, cause, create, provoke, division among, division between, division within, regional, international, multinational, command, head, lead, chief, commander, director, in the… division, first, high, junior, clinch, win, dominate, championship, crown, title, in the… division, clear, simple, complex, make, division among, division between, division into, the division of labour/labor, the division of wealth, clear, simple, complex, make, division among, division between, division into, the division of labour/labor, the division of wealth, bitter, deep, great, cause, create, provoke, division among, division between, division within | big, good, greater, comprise, constitute, fall into, in part, part of, the parts of the body, foreign parts, private parts, big, good, greater, comprise, constitute, fall into, in part, part of, the parts of the body, foreign parts, private parts, big, good, greater, comprise, constitute, fall into, in part, part of, the parts of the body, foreign parts, private parts, big, good, greater, comprise, constitute, fall into, in part, part of, the parts of the body, foreign parts, private parts, replacement, spare, auto, manufacture, assemble, parts dealer, parts maker, parts supplier, big, good, greater, comprise, constitute, fall into, in part, part of, the parts of the body, foreign parts, private parts, big, good, greater, comprise, constitute, fall into, in part, part of, the parts of the body, foreign parts, private parts, big, bit, small, act, have, play, in the part, part of, act the part, dress the part, look the part, big, huge, leading, have, do, play, part in, big, bit, small, act, have, play, in the part, part of, act the part, dress the part, look the part | segment a market, segment the population, audio segment, segment analysis, visual segment |
| Antonyms | whole, entirety | union, integration, combination | whole, entirety, total | whole, entirety |
| Common mistakes | Confusing 'chapter' with 'paragraph' which is shorter., Using 'chapters' when referring to individual stories in a collection without understanding the context., Mispronouncing the word as 'chat-per' instead of 'chap-ter'. | Confused with 'division' as an operation rather than a concept., Using 'divisions' when referring to a singular concept., Mixing up 'division' with 'division of labor' without context. | Using 'parts' when referring to a single piece., Confusing 'part' with 'share' in certain contexts., Misplacing 'part' in compound phrases, such as 'part time' to 'time part'. | Confused with 'segment' vs 'segregate', Omitting the object when using 'segment' as a verb, Using 'segment' in incorrect contexts, such as emotional feelings |
| Usage notes | Used in all contexts related to books, literature, and stories. It is appropriate in formal writing and casual conversations but should not be used in unrelated fields. | Use 'division' when talking about splitting larger groups or numbers into smaller sections. It's common in math and organizational contexts. Avoid using it in informal conversations unless referring to a specific subject. | Use 'part' for referring to a section of a whole. It's appropriate in both spoken and written language, but more formal contexts may prefer 'component' or 'element'. | Use 'segment' in contexts involving division or parts of a whole, such as in science or marketing. Avoid using it in very casual conversations. |
Frequently asked questions: Chapter vs Division vs Part vs Segment
What's the difference between Chapter, Division, Part, and Segment?
Chapter: A part of a book or story. Division: The act of separating things into parts or groups. Part: A piece or segment of something. Segment: A part or section of something.
Which is more common: Chapter, Division, Part, and Segment?
Part is the most common in everyday English.
Which is more advanced: Chapter, Division, Part, and Segment?
Segment is the highest level, at C1, on the CEFR scale.
Are Chapter, Division, Part, and Segment the same CEFR level?
Chapter: B1, Division: B2, Part: A1, Segment: C1 on the CEFR scale.
What part of speech are Chapter, Division, Part, and Segment?
Chapter: noun, Division: noun, Part: noun, Segment: noun.
Can you show an example of each?
Chapter: The first chapter of the book introduces the main characters. Division: The division between the two teams was clear after the match. Part: She plays a significant part in the school play. Segment: She cleaned a small segment of the painting.
Can I use Chapter, Division, Part, and Segment interchangeably?
Not always. Chapter, Division, Part, and Segment 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.