infovsinsuWhich spelling fits?

Which to use

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

#1,957
“info” frequency rank
#12,987
“insu” frequency rank
14944
confusion score

Side-by-Side Comparison

Feature info insu
Definition Information. Utilisé uniquement dans la locution figée à l’insu de quelqu'un, et, dans les locutions analogues, à mon insu, à votre insu… C’est-à-dire la chose n'étant pas sue de quelqu'un, de moi, de vous, etc.

Where the eye mixes info and insu

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
info
4 ch
insu

Visual trap between info and insu

A purely visual mix-up. info (\ɛ̃.fo\) and insu (\ɛ̃.sy\) 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 2 positions. Our composite confusion score for this pair is 14944, derived from the frequency rank of both members and their visual similarity.

info is recorded at frequency rank #1,957, classified as anoun, pronounced \ɛ̃.fo\. insu is at rank #12,987, tagged as anoun, pronounced \ɛ̃.sy\.

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 14944, this pair ranks #394,548 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of info vs insu

Shared letters: in. Private to "info": fo. Private to "insu": su.

"info" · 4 letters · shape VCCV  ·  "insu" · 4 letters · shape VCCV

Known mistypes of this pair

  • infoifno · inffo · innfo · inof · nifo
  • insuinnsu · inssu · inus · isnu · nisu

Frequently Asked Questions

Do "info" and "insu" mean the same thing in a sentence?
No. They are said differently (\ɛ̃.fo\ versus \ɛ̃.sy\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "info" or "insu"?
"info" is the more common of the two: it sits at frequency rank #1,957 in our French list, against #12,987 for "insu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "info" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "insu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #394,548 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "info" and "insu" also get mixed up with nearby pairs, the highest-scored neighbour is "instru vs insu". 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 #394,548 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