ciertavscuerdaWhich spelling fits?

Quick tell: cierta is a adjective, cuerda is a noun, so they fill different roles in a sentence.

Which to use

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

#1,668
“cierta” frequency rank
#5,193
“cuerda” frequency rank
6861
confusion score

Side-by-Side Comparison

Feature cierta cuerda
Definition Forma del femenino de cierto. Cuerpo de material flexible, largo y delgado, formado por múltiples hilos trenzados o torzados para unirlos, empleado para atar.

Where the eye mixes cierta and cuerda

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
cierta
6 ch
cuerda

Visual trap between cierta and cuerda

These two trip readers on the page rather than in the ear: cierta is [ˈsjeɾt̪a] while cuerda is [ˈkweɾð̞a]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 6861, derived from the frequency rank of both members and their visual similarity.

cierta is recorded at frequency rank #1,668, classified as anadj, pronounced [ˈsjeɾt̪a]. cuerda is at rank #5,193, tagged as anoun, pronounced [ˈkweɾð̞a].

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 6861, this pair ranks #309,609 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of cierta vs cuerda

Shared letters: acer. Private to "cierta": it. Private to "cuerda": du.

"cierta" · 6 letters · shape CVVCCV  ·  "cuerda" · 6 letters · shape CVVCCV

Known mistypes of this pair

  • ciertaccierta · ceirta · cierat · cierrta · ciertta · cietra · cireta · icerta
  • cuerdaccuerda · ceurda · cuedra · cuerad · cuerdda · cuerrda · cureda · ucerda

Frequently Asked Questions

Can "cierta" and "cuerda" be used interchangeably?
No - they are not even the same part of speech. "cierta" is an adjective and "cuerda" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "cierta" or "cuerda" show up more?
"cierta" is the more common of the two: it sits at frequency rank #1,668 in our Spanish list, against #5,193 for "cuerda". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "cierta" and "cuerda" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "cierta" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cuerda" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #309,609 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "cierta" and "cuerda" also get mixed up with nearby pairs, the highest-scored neighbour is "cierva vs cuerda". 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 #309,609 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