Child vs Son

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

Child

Top 1,000 (very common)A1noun

Son

Top 1,000 (very common)A1noun
 ChildSon
Pronunciation🇬🇧 /["/tʃaɪld/","/ˈtʃɪldrən/"]/🇺🇸 /["/tʃaɪld/","/ˈtʃɪldrən/"]/🇬🇧 /["/sʌn/"]/🇺🇸 /["/sʌn/"]/
MeaningA young human who is not yet an adult.A male child.
ExampleThe child played happily in the park.My son just graduated from high school.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelA1A1
Part of speechnounnoun
Collocationslittle, small, young, have, bear, give birth to, be born, develop, grow, actor, bride, soldier, with child, little, small, young, have, bear, give birth to, be born, develop, grow, actor, bride, soldier, with childbaby, newborn, infant, have, bear, give birth to, grow up
Antonymsadult, grown-updaughter, mother
Common mistakesConfused with 'children' — remember 'child' is singular., Using 'child' to refer to pets or animals., Mispronouncing it as 'chaild' instead of 'child'.Using 'son' to refer to adult males, not just children., Confusing with 'sun', which refers to the star., Assuming it's gender-neutral when it specifically refers to males.
Usage notesCommonly used to refer to anyone under the age of 18. It is appropriate in both formal and informal contexts, but can sound out of place in discussions about adults or professional settings.Used in familial contexts. Appropriate in both formal and informal situations. Not commonly used when referring to a daughter or child in general.

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Child
Son

Frequently asked questions: Child vs Son

What's the difference between Child and Son?

Child: A young human who is not yet an adult. Son: A male child.

Are Child and Son the same CEFR level?

Child: A1, Son: A1 on the CEFR scale.

What part of speech are Child and Son?

Child: noun, Son: noun.

Can you show an example of each?

Child: The child played happily in the park. Son: My son just graduated from high school.

Can I use Child and Son interchangeably?

Not always. Child and Son 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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