Which to use
“febril” and “fértil” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #47,802
- “febril” frequency rank
- #15,099
- “fértil” frequency rank
- 62901
- confusion score
Side-by-Side Comparison
| Feature | febril | fértil |
|---|---|---|
| Definition | Propio de o relativo a la fiebre. | Que está apto para reproducirse. |
Where the eye mixes febril and fértil
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. febril and fértil follow the identical consonant-vowel pattern (CVCCVC). Same shape at a glance is often the real trap, independent of shared letters.
Look-alike desk: febril vs fértil
A purely visual mix-up. febril ([feˈβ̞ɾil]) and fértil ([ˈfeɾt̪il]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 3 positions. Our composite confusion score for this pair is 62901, derived from the frequency rank of both members and their visual similarity.
febril is recorded at frequency rank #47,802, classified as anadj, pronounced [feˈβ̞ɾil]. fértil is at rank #15,099, tagged as anadj, pronounced [ˈfeɾt̪il].
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 62901, this pair ranks #50,493 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of febril vs fértil
Shared letters: filr. Private to "febril": be. Private to "fértil": té.
"febril" · 6 letters · shape CVCCVC · "fértil" · 6 letters · shape CVCCVC
Known mistypes of this pair
- febril ← efbril · fberil · febbril · febirl · febrill · febrli · febrril · ferbil
Frequently Asked Questions
Do "febril" and "fértil" mean the same thing in a sentence?
Which is more common, "febril" or "fértil"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "febril" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fértil" - compare definitions side by side with the headword page. Word entry
- This pair ranks #50,493 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "febril" and "fértil" also get mixed up with nearby pairs, the highest-scored neighbour is "febril vs ferris". 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 #50,493 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.