razónvsrazonarWhat's the difference?

Quick tell: razón is a noun, razonar is a verb, so they fill different roles in a sentence.

Which to use

“razón” is a noun and “razonar” is a verb - they look or sound alike but fill different roles in a sentence.

#356
“razón” frequency rank
#19,539
“razonar” frequency rank
19895
confusion score

Side-by-Side Comparison

Feature razón razonar
Definition La facultad de la mente humana mediante la cual se distingue de la inteligencia de otros animales. La razón abarca a la concepción, juicio, razonamiento y la facultad intuitiva. Específicamente, es la facultad intuitiva, o la facultad de verdades primeras, en distinción al entendimiento, la que se llama facultad discursiva o raciocinativa. Producir y ordenar las ideas en la mente para comprender o sacar una conclusión dentro de la lógica de causas y efectos; emplear las facultades mentales, como el entendimiento, el intelecto y el raciocinio, para discurrir y pensar con coherencia.

Where the eye mixes razón and razonar

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. razón runs 5 letters (CVCVC) against razonar's 7 (CVCVCVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
razón
7 ch
razonar

Why the eye confuses razón with razonar

These two trip readers on the page rather than in the ear: razón is [raˈsõn] while razonar is [rasoˈnaɾ]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 19895, derived from the frequency rank of both members and their visual similarity.

razón is recorded at frequency rank #356, classified as anoun, pronounced [raˈsõn]. razonar is at rank #19,539, tagged as averb, pronounced [rasoˈnaɾ].

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 19895, this pair ranks #261,751 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of razón vs razonar

Shared letters: anrz. Private to "razón": ó. Private to "razonar": o.

"razón" · 5 letters · shape CVCVC  ·  "razonar" · 7 letters · shape CVCVCVC

Known mistypes of this pair

  • razonar ← arzonar · raoznar · raznoar · razoanr · razonarr · razonnar · razonra · razzonar

Frequently Asked Questions

Is swapping "razón" for "razonar" ever safe?
No - they are not even the same part of speech. "razón" is a noun and "razonar" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "razón" or "razonar" show up more?
"razón" is the more common of the two: it sits at frequency rank #356 in our Spanish list, against #19,539 for "razonar". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "razón" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "razonar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #261,751 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "razón" and "razonar" also get mixed up with nearby pairs, the highest-scored neighbour is "razonado vs razonar". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #261,751 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list