How to Say "to deduce" in Spanish
The most common Spanish word for “to deduce” is “deducir” — use 'deducir' when the conclusion is reached primarily through logical reasoning or inference from given information..
deducir
/deh-doo-theer//deðuˈθiɾ/

Examples
Por su cara, pude deducir que estaba muy cansado.
From his face, I could deduce that he was very tired.
Es difícil deducir lo que pasó sin tener pruebas.
It's hard to deduce what happened without having evidence.
¿Qué deduces de esta situación?
What do you infer from this situation?
The 'c' to 'j' swap
When talking about the past (completed actions), the 'c' in deducir changes to a 'j'. For example, 'I deduced' is 'Yo deduje', not 'deducí'.
The 'z' in the Present
When saying 'I deduce' (Present tense), we add a 'z' before the 'c' to keep the sound right: 'Yo deduzco'.
Avoid 'dedujieron'
Mistake: “Ellos dedujieron que era tarde.”
Correction: Ellos dedujeron que era tarde. (When using 'j' in the past for verbs ending in -ducir, the 'i' in the 'ieron' ending disappears.)
extraer
/eks-tra-ehr//eks.tɾaˈeɾ/

Examples
Podemos extraer una lección importante de esta historia.
We can extract an important lesson from this story.
El investigador extrajo datos valiosos del informe.
The researcher extracted valuable data from the report.
¿Qué conclusiones extraes de la reunión?
What conclusions do you draw from the meeting?
Abstract Usage
When using this word for ideas or information, it functions just like 'sacar' but sounds more intellectual and precise.
Deducir vs. Extraer
Related Translations
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