imbuvsissuWhich spelling fits?

Which to use

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

#45,104
“imbu” frequency rank
#4,769
“issu” frequency rank
49873
confusion score

Side-by-Side Comparison

Feature imbu issu
Definition Qui est pénétré d’une idée, d’un sentiment. Né (d’une personne, d’une lignée ou d’une race), descendant.

Where the eye mixes imbu and issu

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

4 ch
imbu
4 ch
issu

Visual trap between imbu and issu

A purely visual mix-up. imbu (\ɛ̃.by\) and issu (\i.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 49873, derived from the frequency rank of both members and their visual similarity.

imbu is recorded at frequency rank #45,104, classified as anadj, pronounced \ɛ̃.by\. issu is at rank #4,769, tagged as anadj, pronounced \i.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 49873, this pair ranks #167,216 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of imbu vs issu

Shared letters: iu. Private to "imbu": bm. Private to "issu": s.

"imbu" · 4 letters · shape VCCV  ·  "issu" · 4 letters · shape VCCV

Known mistypes of this pair

  • imbuibmu · imbbu · immbu · imub · mibu
  • issuisu · sisu

Frequently Asked Questions

Do "imbu" and "issu" mean the same thing in a sentence?
No. They are said differently (\ɛ̃.by\ versus \i.sy\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "imbu" vs "issu" - which ranks higher?
"issu" is the more common of the two: it sits at frequency rank #4,769 in our French list, against #45,104 for "imbu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "imbu" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "issu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #167,216 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "imbu" and "issu" also get mixed up with nearby pairs, the highest-scored neighbour is "imbu vs ime". 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 #167,216 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