Which to use
“fémur” and “four” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #35,524
- “fémur” frequency rank
- #21,003
- “four” frequency rank
- 56527
- confusion score
Side-by-Side Comparison
| Feature | fémur | four |
|---|---|---|
| Definition | Hueso del muslo, articulado con la pelvis en la parte superior y con la rótula y la tibia en la inferior. Es el más largo del esqueleto humano. | Palabra clave radiofónica del ICAO y NATO para la cifra 4. |
Where the eye mixes fémur and four
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. fémur runs 5 letters (CVCVC) against four's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between fémur and four
A purely visual mix-up. fémur ([ˈfemuɾ]) and four ([ˈfoa]) 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 letter(s) in length. Our composite confusion score for this pair is 56527, derived from the frequency rank of both members and their visual similarity.
fémur is recorded at frequency rank #35,524, classified as anoun, pronounced [ˈfemuɾ]. four is at rank #21,003, tagged as anoun, pronounced [ˈfoa].
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 56527, this pair ranks #74,267 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of fémur vs four
Shared letters: fru. Private to "fémur": mé. Private to "four": o.
"fémur" · 5 letters · shape CVCVC · "four" · 4 letters · shape CVVC
Known mistypes of this pair
- four ← ffour · foru · fourr · fuor · ofur
Frequently Asked Questions
Is swapping "fémur" for "four" ever safe?
In ordinary Spanish text, does "fémur" or "four" show up more?
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 "fémur" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "four" - compare definitions side by side with the headword page. Word entry
- This pair ranks #74,267 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "fémur" and "four" also get mixed up with nearby pairs, the highest-scored neighbour is "femme vs fémur". 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 #74,267 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.