Which to use
“nefasto” and “nefastos” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #20,136
- “nefasto” frequency rank
- #36,702
- “nefastos” frequency rank
- 56838
- confusion score
Side-by-Side Comparison
| Feature | nefasto | nefastos |
|---|---|---|
| Definition | Malo, funesto, aciago. | Forma del plural de nefasto. |
Where the eye mixes nefasto and nefastos
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. nefasto runs 7 letters (CVCVCCV) against nefastos's 8 (CVCVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: nefasto vs nefastos
A purely visual mix-up. nefasto ([neˈfast̪o]) and nefastos ([neˈfast̪os]) 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) - “nefasto” sits inside “nefastos”. Our composite confusion score for this pair is 56838, derived from the frequency rank of both members and their visual similarity.
nefasto is recorded at frequency rank #20,136, classified as anadj, pronounced [neˈfast̪o]. nefastos is at rank #36,702, tagged as anadj, pronounced [neˈfast̪os].
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 56838, this pair ranks #72,910 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of nefasto vs nefastos
Shared letters: aefnost. Private to "nefasto": -. Private to "nefastos": -.
"nefasto" · 7 letters · shape CVCVCCV · "nefastos" · 8 letters · shape CVCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "nefasto" and "nefastos" be used interchangeably?
Frequency check: "nefasto" vs "nefastos" - which ranks higher?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "nefasto" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "nefastos" - compare definitions side by side with the headword page. Word entry
- This pair ranks #72,910 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- 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 #72,910 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.