Mark vs Signature

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

Mark

Top 1,000 (very common) A2 verb

Signature

Top 2,000 (common) B2 noun

Most common: Mark

	Mark	Signature
Pronunciation	🇬🇧 /["/mɑːk/","/mɑːks/","/mɑːkt/","/ˈmɑːkɪŋ/"]/ 🇺🇸 /["/mɑːrk/","/mɑːrks/","/mɑːrkt/","/ˈmɑːrkɪŋ/"]/	🇬🇧 /["/ˈsɪɡnətʃə(r)/"]/ 🇺🇸 /["/ˈsɪɡnətʃər/"]/
Meaning	A sign or a symbol that shows something.	A person's name written in a special way.
Example	Please mark your answers clearly on the test sheet.	Please add your signature at the bottom of the form to confirm your agreement.
Register	Neutral	Neutral
How common	Top 1,000 (very common)	Top 2,000 (common)
CEFR level	A2	B2
Part of speech	verb	noun
Collocations	clearly, carefully, indelibly, as, for, in, indelibly, permanently, deeply, effectively, officially, publicly, appear to, seem to, effectively, officially, publicly, appear to, seem to, indelibly, permanently, deeply	illegible, handwritten, valid, put, scrawl, scribble, illegible, handwritten, valid, put, scrawl, scribble, characteristic, distinctive, telltale, detect, bear, leave, signature of
Antonyms	erase, remove, ignore	anonymous, unsigned
Common mistakes	Confused with 'make' when referring to creating something., Using 'mark' as a noun without context (e.g., 'give a mark' instead of 'give a grade').	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 notes	Used in both written and spoken contexts. Appropriate for discussions about grades, impressions, or signs. Avoid using it in overly formal writing.	Use 'signature' when referring to someone's written name, especially on official documents. Avoid in casual situations where handwriting is not the focus.

See it in real clips

Lander 1 engines, on my mark.

Mark

Agents of S.H.I.E.L.D. › S1 E1

The phone you filmed the Hooded Hero with had the same cryptographic signature

Breaking Bad › S1 E1

No, no. Chili P's my signature.

Agents of S.H.I.E.L.D. › S1 E1

The phone you filmed the Hooded Hero with had the same cryptographic signature

Breaking Bad › S1 E1

No, no. Chili P's my signature.

Signature

Frequently asked questions: Mark vs Signature

What's the difference between Mark and Signature?

Mark: A sign or a symbol that shows something. Signature: A person's name written in a special way.

Which is more common: Mark and Signature?

Mark is the most common in everyday English.

Which is more advanced: Mark and Signature?

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

Are Mark and Signature the same CEFR level?

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

What part of speech are Mark and Signature?

Mark: verb, Signature: noun.

Can you show an example of each?

Mark: Please mark your answers clearly on the test sheet. Signature: Please add your signature at the bottom of the form to confirm your agreement.

Can I use Mark and Signature interchangeably?

Not always. Mark 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.