ciudadvscuidadWhat's the difference?

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

Which to use

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

#161
“ciudad” frequency rank
#21,625
“cuidad” frequency rank
21786
confusion score

Side-by-Side Comparison

Feature ciudad cuidad
Definition Asentamiento de gran tamaño y actividad primariamente industrial o de servicio, antes que agrícola. Segunda persona del plural (vosotros, vosotras) del imperativo afirmativo de cuidar.

Where the eye mixes ciudad and cuidad

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. ciudad and cuidad follow the identical consonant-vowel pattern (CVVCVC). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
ciudad
6 ch
cuidad

Why the eye confuses ciudad with cuidad

These two trip readers on the page rather than in the ear: ciudad is [sjuˈð̞að̞] while cuidad is [kwiˈð̞að̞]. Spoken aloud the problem disappears. In writing it persists, because they differ only by swapping two adjacent letters (iu ↔ ui) - a transposition the eye reads straight past, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 21786, derived from the frequency rank of both members and their visual similarity.

ciudad is recorded at frequency rank #161, classified as anoun, pronounced [sjuˈð̞að̞]. cuidad is at rank #21,625, tagged as averb, pronounced [kwiˈð̞að̞].

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 21786, this pair ranks #253,348 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ciudad vs cuidad

Shared letters: acdiu. Private to "ciudad": -. Private to "cuidad": -.

"ciudad" · 6 letters · shape CVVCVC  ·  "cuidad" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • ciudad ← cciudad · ciduad · ciuadd · ciudadd · ciudda · ciuddad · icudad · siudad
  • cuidad ← ccuidad · cudiad · cuiadd · cuidadd · cuiddad · ucidad

Frequently Asked Questions

Can "ciudad" and "cuidad" be used interchangeably?
No - they are not even the same part of speech. "ciudad" is a noun and "cuidad" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ciudad" or "cuidad"?
"ciudad" is the more common of the two: it sits at frequency rank #161 in our Spanish list, against #21,625 for "cuidad". 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 "ciudad" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cuidad" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #253,348 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "ciudad" and "cuidad" also get mixed up with nearby pairs, the highest-scored neighbour is "chida vs cuidad". 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 #253,348 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