Which to use
“fail” is a verb and “fósil” is a noun - they look or sound alike but fill different roles in a sentence.
- #30,476
- “fail” frequency rank
- #26,862
- “fósil” frequency rank
- 57338
- confusion score
Side-by-Side Comparison
| Feature | fail | fósil |
|---|---|---|
| Definition | Fracasar, fallar. | Restos de seres vivos o rastros de su actividad, conservados en los estratos de las rocas. |
Where the eye mixes fail and fósil
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. fail runs 4 letters (CVVC) against fósil's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between fail and fósil
These two trip readers on the page rather than in the ear: fail is /feɪl/ while fósil is [ˈfosil]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 57338, derived from the frequency rank of both members and their visual similarity.
fail is recorded at frequency rank #30,476, classified as averb, pronounced /feɪl/. fósil is at rank #26,862, tagged as anoun, pronounced [ˈfosil].
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 57338, this pair ranks #70,893 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of fail vs fósil
Shared letters: fil. Private to "fail": a. Private to "fósil": só.
"fail" · 4 letters · shape CVVC · "fósil" · 5 letters · shape CVCVC
Known mistypes of this pair
- fail ← afil · faill · fali · ffail
Frequently Asked Questions
Do "fail" and "fósil" mean the same thing in a sentence?
In ordinary Spanish text, does "fail" or "fósil" show up more?
After this comparison
Eye-level mix-up between "fail" and "fósil" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "fail" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fósil" - compare definitions side by side with the headword page. Word entry
- This pair ranks #70,893 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "fail" and "fósil" also get mixed up with nearby pairs, the highest-scored neighbour is "fail vs falo". 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 #70,893 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.