esferavsesperoTell them apart

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

Which to use

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

#6,056
“esfera” frequency rank
#498
“espero” frequency rank
6554
confusion score

Side-by-Side Comparison

Feature esfera espero
Definition Cuerpo limitado por una superficie curva cuyos puntos están todos a la misma distancia del punto interior llamado centro. Primera persona del singular (yo) del presente de indicativo de esperar o de esperarse.

Where the eye mixes esfera and espero

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

6 ch
esfera
6 ch
espero

Look-alike desk: esfera vs espero

These two trip readers on the page rather than in the ear: esfera is [esˈfeɾa] while espero is [esˈpeɾo]. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 6554, derived from the frequency rank of both members and their visual similarity.

esfera is recorded at frequency rank #6,056, classified as anoun, pronounced [esˈfeɾa]. espero is at rank #498, tagged as averb, pronounced [esˈpeɾo].

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 6554, this pair ranks #310,417 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of esfera vs espero

Shared letters: ers. Private to "esfera": af. Private to "espero": op.

"esfera" · 6 letters · shape VCCVCV  ·  "espero" · 6 letters · shape VCCVCV

Known mistypes of this pair

  • esferaefsera · esefra · esfear · esferra · esffera · esfrea · essfera · sefera
  • esperoepsero · esepro · espeor · esperro · esppero · espreo · esspero · sepero

Frequently Asked Questions

Is swapping "esfera" for "espero" ever safe?
No - they are not even the same part of speech. "esfera" is a noun and "espero" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "esfera" or "espero"?
"espero" is the more common of the two: it sits at frequency rank #498 in our Spanish list, against #6,056 for "esfera". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "esfera" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "espero" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #310,417 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "esfera" and "espero" also get mixed up with nearby pairs, the highest-scored neighbour is "esfera vs esperad". 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 #310,417 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