Sign vs Signature

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

Sign

Top 1,000 (very common)A2noun

Signature

Top 2,000 (common)B2noun
Most common: Sign
 SignSignature
Pronunciation🇬🇧 /["/saɪn/"]/🇺🇸 /["/saɪn/"]/🇬🇧 /["/ˈsɪɡnətʃə(r)/"]/🇺🇸 /["/ˈsɪɡnətʃər/"]/
MeaningA symbol or action that shows something or gives information.A person's name written in a special way.
ExamplePlease follow the sign to reach the train station.Please add your signature at the bottom of the form to confirm your agreement.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelA2B2
Part of speechnounnoun
Collocationsclassic, clear, definite, bear, have, betray, appear, come, indicate something, at a/​the sign, sign from, sign of, sign of life, a sign of the times, a sign of things to come, flashing, illuminated, neon, erect, hang, hang out, read something, announce something, proclaim something, sign for, sign to, rude, peace, thumbs-up, give (somebody), make, communicate through, language, system, sign for, make the sign of the cross, dollar, euro, pound, draw, use, mean something, sign for, birth, star, astrological, be born under, sign of, the signs of the Zodiacillegible, handwritten, valid, put, scrawl, scribble, illegible, handwritten, valid, put, scrawl, scribble, characteristic, distinctive, telltale, detect, bear, leave, signature of
Antonymsignore, disregardanonymous, unsigned
Common mistakesConfused with 'sine' in mathematical contexts., Using 'sign' as a verb incorrectly, e.g., 'I will sign that paper' without indicating what or who to sign., Misusing 'sign' for 'symbol' when differentiating context.Confused with 'autograph' — an autograph is usually meant for fans., Misused in phrases like 'signature dish' when talking about a name., Incorrectly spelled as 'signiture'.
Usage notesUsed in various contexts like directing people, indicating information, or marking something. More formal in legal contexts, and informal in everyday signage.Use 'signature' when referring to someone's written name, especially on official documents. Avoid in casual situations where handwriting is not the focus.

Frequently asked questions: Sign vs Signature

What's the difference between Sign and Signature?

Sign: A symbol or action that shows something or gives information. Signature: A person's name written in a special way.

Which is more common: Sign and Signature?

Sign is the most common in everyday English.

Which is more advanced: Sign and Signature?

Signature is the highest level, at B2, on the CEFR scale.

Are Sign and Signature the same CEFR level?

Sign: A2, Signature: B2 on the CEFR scale.

What part of speech are Sign and Signature?

Sign: noun, Signature: noun.

Can you show an example of each?

Sign: Please follow the sign to reach the train station. Signature: Please add your signature at the bottom of the form to confirm your agreement.

Can I use Sign and Signature interchangeably?

Not always. Sign and Signature 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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