Cool MateAge vs Duration vs Era vs Years
When to use each in English, with meaning, register, and examples.
Age
Top 1,000 (very common)A1noun
Duration
Top 2,000 (common)B2noun
Era
Top 2,000 (common)B2noun
Years
Top 1,000 (very common)
| Age | Duration | Era | Years | |
|---|---|---|---|---|
| Pronunciation | 🇬🇧 /["/eɪdʒ/"]/🇺🇸 /["/eɪdʒ/"]/ | 🇬🇧 /["/djuˈreɪʃn/"]/🇺🇸 /["/duˈreɪʃn/"]/ | 🇬🇧 /["/ˈɪərə/"]/🇺🇸 /["/ˈɪrə//ˈerə/"]/ | 🇬🇧 //jɪəz//🇺🇸 //jɪrz// |
| Meaning | The number of years someone has lived. | The length of time something lasts. | A long period of time with special events or features. | How many times the Earth goes around the sun. |
| Example | Her age is just a number. | The school was used as a hospital for the duration of the war. | The Victorian era was marked by significant cultural and industrial change. | She lived in that house for five __. |
| Register | Neutral | Neutral | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 2,000 (common) | Top 2,000 (common) | Top 1,000 (very common) |
| CEFR level | A1 | B2 | B2 | - |
| Part of speech | noun | noun | noun | |
| Collocations | early, tender, young, attain, get to, live to, group, range, limit, at a/the age, between the ages, by the age, the age of consent, somebody’s own age, years of age, spend, take, absolutely ages, ages ago, for ages, early, tender, young, attain, get to, live to, group, range, limit, at a/the age, between the ages, by the age, the age of consent, somebody’s own age, years of age, another, bygone, different, during the… age, in a/the age, through the ages, in this day and age | brief, short, limited, decrease, reduce, shorten, for the duration (of), of… duration, throughout the duration of | golden, great, new, herald, mark, usher in, begin, end, during an/the era, in an/the era, into era, the beginning of an era, the dawn of an era, the dawning of an era | birth years, academic years, fiscal years, golden years |
| Antonyms | youth, childhood | moment, instant | moment, instant | months, days |
| Common mistakes | Using 'age' as a verb incorrectly, e.g., 'I age 25.', Confusing 'age' with 'stage', e.g., 'In this stage of my life.', Saying 'more old' instead of 'older.' | Confused with 'session', which refers to a specific meeting or period of activity., Using it incorrectly as a verb, e.g., 'to duration something.', Mixing it up with 'interval,' which refers to a break or pause rather than the length. | Confused with 'error' — they sound similar but have different meanings., Using 'era' for short-term events rather than long periods., Mixing up 'era' with 'area' in writing or speech. | Confused with 'year' vs 'years' (singular/plural misuse)., Incorrectly using 'years' in phrases that require a singular form., Omitting the unit when discussing duration (e.g., saying 'in 5' instead of 'in 5 years'). |
| Usage notes | Used in both informal and formal contexts. Be careful not to confuse 'age' with phrases like 'young' or 'old' when describing someone. | Commonly used in both formal and informal contexts. Refers to time periods, such as how long a movie is or how long an event lasts. Avoid using it in very casual conversations. | Use 'era' when describing significant periods in history, culture, or personal life. Avoid using it for shorter time frames which might be referred to as 'period' or 'stage'. | Used to indicate age, time periods, or durations. A more formal context may require specifying a unit, e.g., 'years of experience'. |
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Frequently asked questions: Age vs Duration vs Era vs Years
What's the difference between Age, Duration, Era, and Years?
Age: The number of years someone has lived. Duration: The length of time something lasts. Era: A long period of time with special events or features. Years: How many times the Earth goes around the sun.
Can you show an example of each?
Age: Her age is just a number. Duration: The school was used as a hospital for the duration of the war. Era: The Victorian era was marked by significant cultural and industrial change. Years: She lived in that house for five __.
Can I use Age, Duration, Era, and Years interchangeably?
Not always. Age, Duration, Era, and Years 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.