espesovsespesorWhich spelling fits?

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

Which to use

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

#27,981
“espeso” frequency rank
#14,590
“espesor” frequency rank
42571
confusion score

Side-by-Side Comparison

Feature espeso espesor
Definition Hablando de un fluido, que es denso y fluye con dificultad. Grosor determinado de una materia.

Where the eye mixes espeso and espesor

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. espeso runs 6 letters (VCCVCV) against espesor's 7 (VCCVCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
espeso
7 ch
espesor

Look-alike desk: espeso vs espesor

These two trip readers on the page rather than in the ear: espeso is [esˈpeso] while espesor is [espeˈsoɾ]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “espeso” sits inside “espesor”, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 42571, derived from the frequency rank of both members and their visual similarity.

espeso is recorded at frequency rank #27,981, classified as anadj, pronounced [esˈpeso]. espesor is at rank #14,590, tagged as anoun, pronounced [espeˈsoɾ].

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 42571, this pair ranks #147,467 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of espeso vs espesor

Shared letters: eops. Private to "espeso": -. Private to "espesor": r.

"espeso" · 6 letters · shape VCCVCV  ·  "espesor" · 7 letters · shape VCCVCVC

Known mistypes of this pair

  • espeso ← epseso · esepso · espeos · espesso · esppeso · espseo · esspeso · sepeso
  • espesor ← epsesor · esepsor · espeosr · espesorr · espesro · espessor · esppesor · espseor

Frequently Asked Questions

Can "espeso" and "espesor" be used interchangeably?
No - they are not even the same part of speech. "espeso" is an adjective and "espesor" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "espeso" or "espesor"?
"espesor" is the more common of the two: it sits at frequency rank #14,590 in our Spanish list, against #27,981 for "espeso". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "espeso" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "espesor" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #147,467 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "espeso" and "espesor" also get mixed up with nearby pairs, the highest-scored neighbour is "eses vs espeso". 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 #147,467 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