Which to use
“octava” is an adjective and “octavo” is a num - they look or sound alike but fill different roles in a sentence.
- #10,893
- “octava” frequency rank
- #9,504
- “octavo” frequency rank
- 20397
- confusion score
Side-by-Side Comparison
| Feature | octava | octavo |
|---|---|---|
| Definition | Forma del femenino de octavo. | Que ocupa el puesto siguiente al séptimo en una serie ordenada. Ordinal del ocho. |
Where the spellings diverge
Shared letters are muted; the letters that actually set octava and octavo apart are highlighted. They share 5 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
octava and octavo form a confusable pair in the Spanish index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by a single letter - a in “octava” becomes o in “octavo” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 20397, 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]. octavo is at rank #9,504, tagged as anum, pronounced [okˈt̪aβ̞o].
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 20397, this pair ranks #259,516 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Frequency comparison
Frequently Asked Questions
Can "octava" and "octavo" be used interchangeably?
Remembering octava vs octavo
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “octava”; for a num, it's “octavo”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “octava” entry
- Browse more pairs most likely to be confused. Most confusable