razónvsrizoWhich spelling fits?

Quick tell: razón is a noun, rizo is an adjective, so they fill different roles in a sentence.

Which to use

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

#356
“razón” frequency rank
#38,950
“rizo” frequency rank
39306
confusion score

Side-by-Side Comparison

Feature razón rizo
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. Ensortijado o hecho rizos naturalmente.

Where the eye mixes razón and rizo

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. razón runs 5 letters (CVCVC) against rizo's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
razón
4 ch
rizo

Why the eye confuses razón with rizo

These two trip readers on the page rather than in the ear: razón is [raˈsõn] while rizo is [ˈriso]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 39306, derived from the frequency rank of both members and their visual similarity.

razón is recorded at frequency rank #356, classified as anoun, pronounced [raˈsõn]. rizo is at rank #38,950, tagged as anadj, pronounced [ˈriso].

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 39306, this pair ranks #165,266 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of razón vs rizo

Shared letters: rz. Private to "razón": anó. Private to "rizo": io.

"razón" · 5 letters · shape CVCVC  ·  "rizo" · 4 letters · shape CVCV

Known mistypes of this pair

  • rizo ← irzo · rioz · rizzo · rrizo · rzio

Frequently Asked Questions

Is swapping "razón" for "rizo" ever safe?
No - they are not even the same part of speech. "razón" is a noun and "rizo" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "razón" or "rizo" show up more?
"razón" is the more common of the two: it sits at frequency rank #356 in our Spanish list, against #38,950 for "rizo". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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 "rizo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #165,266 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "razón" and "rizo" also get mixed up with nearby pairs, the highest-scored neighbour is "riba vs rizo". 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 #165,266 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