ConstituciónvsconstitucionalWhich spelling fits?

Quick tell: Constitución is a name, constitucional is an adjective, so they fill different roles in a sentence.

Which to use

“Constitución” is a name and “constitucional” is an adjective - they look or sound alike but fill different roles in a sentence.

#932
“Constitución” frequency rank
#2,201
“constitucional” frequency rank
3133
confusion score

Side-by-Side Comparison

Feature Constitución constitucional
Definition Ciudad y puerto en la zona central de Chile, en la Región del Maule. Fundada con el nombre de Nueva Bilbao en 1794, hoy posee unos 30.000 habitantes, industria maderera, pesquería, astilleros navales y una planta de celulosa. Que pertenece o concierne a la Constitución de un Estado.

Where the eye mixes Constitución and constitucional

Muted = shared; highlighted = the visual trap. They share 11 letters in sequence. Constitución runs 12 letters (CVCCCVCVCVVC) against constitucional's 14 (CVCCCVCVCVVCVC) - the length gap alone is often enough to separate them once you know to check it.

12 ch
Constitución
14 ch
constitucional

Why the eye confuses Constitución with constitucional

These two trip readers on the page rather than in the ear: Constitución is [kõnst̪it̪uˈsjõn] while constitucional is [kõnst̪it̪usjoˈnal]. 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 (name vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 3133, derived from the frequency rank of both members and their visual similarity.

Constitución is recorded at frequency rank #932, classified as aname, pronounced [kõnst̪it̪uˈsjõn]. constitucional is at rank #2,201, tagged as anadj, pronounced [kõnst̪it̪usjoˈnal].

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 3133, this pair ranks #318,969 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Constitución vs constitucional

Shared letters: cinostu. Private to "Constitución": ó. Private to "constitucional": al.

"Constitución" · 12 letters · shape CVCCCVCVCVVC  ·  "constitucional" · 14 letters · shape CVCCCVCVCVVCVC

Known mistypes of this pair

  • constitucional ← cconstitucional · cnostitucional · connstitucional · consittucional · consstitucional · constitcuional · constittucional · constituccional

Frequently Asked Questions

Is swapping "Constitución" for "constitucional" ever safe?
No - they are not even the same part of speech. "Constitución" is a name and "constitucional" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "Constitución" or "constitucional" show up more?
"Constitución" is the more common of the two: it sits at frequency rank #932 in our Spanish list, against #2,201 for "constitucional". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "Constitución" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "constitucional" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #318,969 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "Constitución" and "constitucional" also get mixed up with nearby pairs, the highest-scored neighbour is "constatación vs Constitución". 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 #318,969 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