How to Say "to correct" in Spanish
The most common Spanish word for “to correct” is “corregir” — use 'corregir' when referring to fixing errors in written work, like homework, exams, or documents, or when talking about fixing a mistake in general conversation or behavior..
corregir
/koh-rreh-HEER//koreˈxiɾ/

Examples
El profesor está corrigiendo los exámenes ahora mismo.
The teacher is grading the exams right now.
Por favor, corrige los errores en este documento.
Please correct the errors in this document.
Es importante corregir la postura para evitar dolores de espalda.
It is important to fix your posture to avoid back pain.
The 'G' to 'J' Swap
In Spanish, the letter 'g' sounds like an 'h' when followed by 'e' or 'i'. To keep that 'h' sound before an 'o' or 'a', we must change the 'g' to a 'j'. That's why we say 'yo corrijo' instead of 'corrigo'.
Stem-Change Alert
This verb is a 'flipping' verb. The 'e' in the middle changes to an 'i' in most present tense forms (corriges, corrige) and even in the 'he/she' and 'they' forms of the past (corrigió, corrigieron).
Don't say 'Corrigo'
Mistake: “Yo corrigo los errores.”
Correction: Yo corrijo los errores. (Remember the spelling change from G to J to keep the sound correct!)
The 'E' to 'I' slip-up
Mistake: “Él correge la tarea.”
Correction: Él corrige la tarea. (The 'e' must change to 'i' in the present tense).
rectificar
/rrek-tee-fee-kar//rekti.fiˈkaɾ/

Examples
El periódico tuvo que rectificar la noticia al día siguiente.
The newspaper had to correct the news story the following day.
Es de sabios rectificar cuando uno se equivoca.
It is wise to correct oneself when one is wrong.
El conductor rectificó la dirección del coche para evitar el bache.
The driver adjusted the car's direction to avoid the pothole.
Spelling Change in the Past
In the 'yo' form of the past tense (preterite), the 'c' changes to 'qu' (rectifiqué). This is just to keep the hard 'k' sound consistent.
Using it with Actions
Unlike 'corregir' which is often used for grading papers, 'rectificar' is more about fixing a specific error in logic, statement, or direction.
Spelling with 'c'
Mistake: “Yo rectificé.”
Correction: Yo rectifiqué. (In Spanish, 'ce' sounds like 'se', so we use 'que' to keep the 'ke' sound from the original word).
Corregir vs. Rectificar
Related Translations
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