Age vs Years

When to use each in English, with meaning, register, and examples.

Age

Top 1,000 (very common)A1noun

Years

Top 1,000 (very common)
 AgeYears
Pronunciation🇬🇧 /["/eɪdʒ/"]/🇺🇸 /["/eɪdʒ/"]/🇬🇧 //jɪəz//🇺🇸 //jɪrz//
MeaningThe number of years someone has lived.How many times the Earth goes around the sun.
ExampleHer age is just a number.She lived in that house for five __.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelA1-
Part of speechnoun
Collocationsearly, 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 agebirth years, academic years, fiscal years, golden years
Antonymsyouth, childhoodmonths, days
Common mistakesUsing '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 '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 notesUsed in both informal and formal contexts. Be careful not to confuse 'age' with phrases like 'young' or 'old' when describing someone.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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Years

Frequently asked questions: Age vs Years

What's the difference between Age and Years?

Age: The number of years someone has lived. Years: How many times the Earth goes around the sun.

Can you show an example of each?

Age: Her age is just a number. Years: She lived in that house for five __.

Can I use Age and Years interchangeably?

Not always. Age 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.

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