sensuvssiensWhich spelling fits?

Which to use

“sensu” and “siens” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#33,464
“sensu” frequency rank
#6,999
“siens” frequency rank
40463
confusion score

Side-by-Side Comparison

Feature sensu siens
Definition Sens. Ensemble des personnes de la famille proche.

Where the eye mixes sensu and siens

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. sensu (CVCCV) and siens (CVVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

5 ch
sensu
5 ch
siens

Why the eye confuses sensu with siens

A purely visual mix-up. sensu (\ˈsɛn.su\) and siens (\sjɛ̃\) 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 4 positions. Our composite confusion score for this pair is 40463, derived from the frequency rank of both members and their visual similarity.

sensu is recorded at frequency rank #33,464, classified as anoun, pronounced \ˈsɛn.su\. siens is at rank #6,999, tagged as anoun, pronounced \sjɛ̃\.

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 40463, this pair ranks #240,306 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sensu vs siens

Shared letters: ens. Private to "sensu": u. Private to "siens": i.

"sensu" · 5 letters · shape CVCCV  ·  "siens" · 5 letters · shape CVVCC

Known mistypes of this pair

  • sensu ← esnsu · sennsu · senssu · senus · sesnu · snesu · ssensu
  • siens ← isens · sienns · sienss · siesn · sines · ssiens

Frequently Asked Questions

Is swapping "sensu" for "siens" ever safe?
No. They are said differently (\ˈsɛn.su\ versus \sjɛ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "sensu" vs "siens" - which ranks higher?
"siens" is the more common of the two: it sits at frequency rank #6,999 in our French list, against #33,464 for "sensu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "sensu" and "siens" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "sensu" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "siens" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #240,306 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "sensu" and "siens" also get mixed up with nearby pairs, the highest-scored neighbour is "senat vs sensu". 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 #240,306 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list