octavavsoctavasTell them apart

Which to use

“octava” and “octavas” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#10,893
“octava” frequency rank
#49,829
“octavas” frequency rank
60722
confusion score

Side-by-Side Comparison

Feature octava octavas
Definition Forma del femenino de octavo. Forma del femenino plural de octavo.

Where the eye mixes octava and octavas

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

6 ch
octava
7 ch
octavas

Why the eye confuses octava with octavas

A purely visual mix-up. octava ([okˈt̪aβ̞a]) and octavas ([okˈt̪aβ̞as]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “octava” sits inside “octavas”. Our composite confusion score for this pair is 60722, derived from the frequency rank of both members and their visual similarity.

octava is recorded at frequency rank #10,893, classified as anadj, pronounced [okˈt̪aβ̞a]. octavas is at rank #49,829, tagged as anadj, pronounced [okˈt̪aβ̞as].

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 60722, this pair ranks #57,952 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of octava vs octavas

Shared letters: acotv. Private to "octava": -. Private to "octavas": s.

"octava" · 6 letters · shape VCCVCV  ·  "octavas" · 7 letters · shape VCCVCVC

Known mistypes of this pair

  • octava ← cotava · ocatva · occtava · octaav · octaba · octavva · octtava · octvaa
  • octavas ← cotavas · ocatvas · occtavas · octaavs · octabas · octavass · octavsa · octavvas

Frequently Asked Questions

Can "octava" and "octavas" be used interchangeably?
No. They are said differently ([okˈt̪aβ̞a] versus [okˈt̪aβ̞as]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "octava" or "octavas"?
"octava" is the more common of the two: it sits at frequency rank #10,893 in our Spanish list, against #49,829 for "octavas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "octava" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "octavas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #57,952 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "octava" and "octavas" also get mixed up with nearby pairs, the highest-scored neighbour is "octavas vs octavos". 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 #57,952 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