Which to use
“fœtus” is a noun and “focus” is an adjective - they look or sound alike but fill different roles in a sentence.
- #19,296
- “fœtus” frequency rank
- #11,412
- “focus” frequency rank
- 30708
- confusion score
Side-by-Side Comparison
| Feature | fœtus | focus |
|---|---|---|
| Definition | Organisme en voie de développement, chez les animaux vivipares. Il a dépassé le stade d’embryon mais n’est pas encore né. | Concentré sur l’action. |
Where the eye mixes fœtus and focus
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. fœtus and focus follow the identical consonant-vowel pattern (CVCVC). Same shape at a glance is often the real trap, independent of shared letters.
Look-alike desk: fœtus vs focus
These two trip readers on the page rather than in the ear: fœtus is \fe.tys\ while focus is \fɔ.kys\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 30708, derived from the frequency rank of both members and their visual similarity.
fœtus is recorded at frequency rank #19,296, classified as anoun, pronounced \fe.tys\. focus is at rank #11,412, tagged as anadj, pronounced \fɔ.kys\.
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 30708, this pair ranks #308,474 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fœtus vs focus
Shared letters: fsu. Private to "fœtus": tœ. Private to "focus": co.
"fœtus" · 5 letters · shape CVCVC · "focus" · 5 letters · shape CVCVC
Known mistypes of this pair
- focus ← fcous · ffocus · foccus · focsu · focuss · foucs · ofcus
Frequently Asked Questions
Do "fœtus" and "focus" mean the same thing in a sentence?
Which is more common, "fœtus" or "focus"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "fœtus" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "focus" - compare definitions side by side with the headword page. Word entry
- This pair ranks #308,474 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "fœtus" and "focus" also get mixed up with nearby pairs, the highest-scored neighbour is "fichus vs focus". 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 #308,474 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.