How to Say "to sign" in Spanish
The most common Spanish word for “to sign” is “firmar” — use 'firmar' when you are signing a physical document, like a contract, a check, or your name on a piece of paper.
firmar
feer-MAHRfiɾˈmaɾ

Examples
Por favor, firma aquí.
Please sign here.
Necesitas firmar el contrato antes de empezar a trabajar.
You need to sign the contract before starting work.
¿Dónde debo firmar?
Where should I sign?
Ya firmamos los papeles para la casa nueva.
We already signed the papers for the new house.
Direct Use
Unlike some English phrases ('sign up'), 'firmar' is used directly with what is being signed (firmar el contrato, firmar la carta).
Confusing 'Sign' Meanings
Mistake: “Usar 'firmar' para 'señal' (sign/signal).”
Correction: 'Señal' means signal or road sign. 'Firmar' is only for putting your name on something written. Never use 'firmar' for a traffic sign!
firmar
feer-MAHRfiɾˈmaɾ

Examples
El jugador firmó la camiseta para el niño.
The player signed the jersey for the child.
Necesitas firmar el contrato antes de empezar a trabajar.
You need to sign the contract before starting work.
¿Dónde debo firmar?
Where should I sign?
Ya firmamos los papeles para la casa nueva.
We already signed the papers for the new house.
Direct Use
Unlike some English phrases ('sign up'), 'firmar' is used directly with what is being signed (firmar el contrato, firmar la carta).
Confusing 'Sign' Meanings
Mistake: “Usar 'firmar' para 'señal' (sign/signal).”
Correction: 'Señal' means signal or road sign. 'Firmar' is only for putting your name on something written. Never use 'firmar' for a traffic sign!
suscribir
soo-skree-BEERsus.kɾi.ˈβiɾ

Examples
Suscribo la propuesta de mejora del proyecto.
I endorse the proposal for project improvement.
Suscribo totalmente tus palabras.
I totally agree with/endorse your words.
Ambos países suscribieron un tratado de paz.
Both countries signed a peace treaty.
Muchos científicos suscriben esta teoría.
Many scientists endorse this theory.
Direct Agreement
When agreeing with an opinion, you don't need 'con' (with). You just say 'Suscribo tu opinión' (I endorse your opinion).
Firmar vs. Suscribir
Related Translations
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