reservavsreservoWhich spelling fits?

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

Which to use

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

#2,422
“reserva” frequency rank
#38,354
“reservo” frequency rank
40776
confusion score

Side-by-Side Comparison

Feature reserva reservo
Definition Guarda o custodia que se hace de una cosa, o prevención de ella para que sirva a su tiempo. Primera persona del singular (yo) del presente de indicativo de reservar.

Where the eye mixes reserva and reservo

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. reserva and reservo follow the identical consonant-vowel pattern (CVCVCCV). Same shape at a glance is often the real trap, independent of shared letters.

7 ch
reserva
7 ch
reservo

Look-alike desk: reserva vs reservo

These two trip readers on the page rather than in the ear: reserva is [reˈseɾβ̞a] while reservo is [reˈseɾβ̞o]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “reserva” becomes o in “reservo”, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 40776, derived from the frequency rank of both members and their visual similarity.

reserva is recorded at frequency rank #2,422, classified as anoun, pronounced [reˈseɾβ̞a]. reservo is at rank #38,354, tagged as averb, pronounced [reˈseɾβ̞o].

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 40776, this pair ranks #157,284 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of reserva vs reservo

Shared letters: ersv. Private to "reserva": a. Private to "reservo": o.

"reserva" · 7 letters · shape CVCVCCV  ·  "reservo" · 7 letters · shape CVCVCCV

Known mistypes of this pair

  • reserva ← erserva · recerva · reesrva · reserav · reserba · reserrva · reservva · resevra
  • reservo ← erservo · recervo · reesrvo · reserbo · reserov · reserrvo · reservvo · resevro

Frequently Asked Questions

Can "reserva" and "reservo" be used interchangeably?
No - they are not even the same part of speech. "reserva" is a noun and "reservo" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "reserva" or "reservo"?
"reserva" is the more common of the two: it sits at frequency rank #2,422 in our Spanish list, against #38,354 for "reservo". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "reserva" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "reservo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #157,284 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "reserva" and "reservo" also get mixed up with nearby pairs, the highest-scored neighbour is "reservo vs resfrío". 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 #157,284 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