esperovsespesoWhat's the difference?

Quick tell: espero is a verb, espeso is an adjective, so they fill different roles in a sentence.

Which to use

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

#498
“espero” frequency rank
#27,981
“espeso” frequency rank
28479
confusion score

Side-by-Side Comparison

Feature espero espeso
Definition Primera persona del singular (yo) del presente de indicativo de esperar o de esperarse. Hablando de un fluido, que es denso y fluye con dificultad.

Where the eye mixes espero and espeso

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

6 ch
espero
6 ch
espeso

Why the eye confuses espero with espeso

These two trip readers on the page rather than in the ear: espero is [esˈpeɾo] while espeso is [esˈpeso]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - r in “espero” becomes s in “espeso”, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 28479, derived from the frequency rank of both members and their visual similarity.

espero is recorded at frequency rank #498, classified as averb, pronounced [esˈpeɾo]. espeso is at rank #27,981, tagged as anadj, pronounced [esˈpeso].

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 28479, this pair ranks #221,833 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of espero vs espeso

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

"espero" · 6 letters · shape VCCVCV  ·  "espeso" · 6 letters · shape VCCVCV

Known mistypes of this pair

  • espero ← epsero · esepro · espeor · esperro · esppero · espreo · esspero · sepero
  • espeso ← epseso · esepso · espeos · espesso · esppeso · espseo · esspeso · sepeso

Frequently Asked Questions

Do "espero" and "espeso" mean the same thing in a sentence?
No - they are not even the same part of speech. "espero" is a verb and "espeso" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "espero" or "espeso" show up more?
"espero" is the more common of the two: it sits at frequency rank #498 in our Spanish list, against #27,981 for "espeso". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "espero" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "espeso" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #221,833 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "espero" and "espeso" 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 #221,833 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