Cool MateChapter vs Part vs Section vs Segment
When to use each in English, with meaning, register, and examples.
Chapter
Top 2,000 (common)B1noun
Part
Top 1,000 (very common)A1noun
Section
Top 1,000 (very common)A1noun
Segment
Top 3,000 (common)C1noun
| Chapter | Part | Section | Segment | |
|---|---|---|---|---|
| Pronunciation | 🇬🇧 /["/ˈtʃæptə(r)/"]/🇺🇸 /["/ˈtʃæptər/"]/ | 🇬🇧 /["/pɑːt/"]/🇺🇸 /["/pɑːrt/"]/ | 🇬🇧 /["/ˈsekʃn/"]/🇺🇸 /["/ˈsekʃn/"]/ | 🇬🇧 /["/ˈseɡmənt/"]/🇺🇸 /["/ˈseɡmənt/"]/ |
| Meaning | A part of a book or story. | A piece or segment of something. | A part of something, like a piece of a whole. | A part or section of something. |
| Example | The first chapter of the book introduces the main characters. | She plays a significant part in the school play. | Please complete the form and sign in the designated section. | She cleaned a small segment of the painting. |
| Register | Neutral | Neutral | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 1,000 (very common) | Top 1,000 (very common) | Top 3,000 (common) |
| CEFR level | B1 | A1 | 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 | 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 | opening, concluding, final, dedicate, devote, add, leader, manager, in a/the section, in sections, under section, a section of society, opening, concluding, final, dedicate, devote, add, leader, manager, in a/the section, in sections, under section, a section of society, opening, concluding, final, dedicate, devote, add, leader, manager, in a/the section, in sections, under section, a section of society, opening, concluding, final, dedicate, devote, add, leader, manager, in a/the section, in sections, under section, a section of society, opening, concluding, final, dedicate, devote, add, leader, manager, in a/the section, in sections, under section, a section of society | segment a market, segment the population, audio segment, segment analysis, visual segment |
| Antonyms | whole, entirety | whole, entirety, total | whole, entirety | 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'. | 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'. | Using 'section' instead of 'segment' in the context of a physical object., Confusing 'section' with 'sectional' when describing furniture., Adding unnecessary plural forms like 'sections' when referring to a single 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 '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 'section' when referring to a distinct part of a whole, such as a chapter in a book or a part of a document. Avoid using it in contexts where a more specific term could be clearer. | 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 Part vs Section vs Segment
What's the difference between Chapter, Part, Section, and Segment?
Chapter: A part of a book or story. Part: A piece or segment of something. Section: A part of something, like a piece of a whole. Segment: A part or section of something.
Which is more advanced: Chapter, Part, Section, and Segment?
Segment is the highest level, at C1, on the CEFR scale.
Are Chapter, Part, Section, and Segment the same CEFR level?
Chapter: B1, Part: A1, Section: A1, Segment: C1 on the CEFR scale.
What part of speech are Chapter, Part, Section, and Segment?
Chapter: noun, Part: noun, Section: noun, Segment: noun.
Can you show an example of each?
Chapter: The first chapter of the book introduces the main characters. Part: She plays a significant part in the school play. Section: Please complete the form and sign in the designated section. Segment: She cleaned a small segment of the painting.
Can I use Chapter, Part, Section, and Segment interchangeably?
Not always. Chapter, Part, Section, 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.