Which to use
“instable” is an adjective and “installe” is a verb - they look or sound alike but fill different roles in a sentence.
- #11,077
- “instable” frequency rank
- #5,255
- “installe” frequency rank
- 16332
- confusion score
Side-by-Side Comparison
| Feature | instable | installe |
|---|---|---|
| Definition | Qui manque de stabilité. | Première personne du singulier du présent de l’indicatif de installer. |
Where the eye mixes instable and installe
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. instable and installe follow the identical consonant-vowel pattern (VCCCVCCV). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses instable with installe
These two trip readers on the page rather than in the ear: instable is \ɛ̃s.tabl\ while installe is \ɛ̃s.tal\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - b in “instable” becomes l in “installe”, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 16332, derived from the frequency rank of both members and their visual similarity.
instable is recorded at frequency rank #11,077, classified as anadj, pronounced \ɛ̃s.tabl\. installe is at rank #5,255, tagged as averb, pronounced \ɛ̃s.tal\.
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 16332, this pair ranks #388,308 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of instable vs installe
Shared letters: aeilnst. Private to "instable": b. Private to "installe": -.
"instable" · 8 letters · shape VCCCVCCV · "installe" · 8 letters · shape VCCCVCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "instable" for "installe" ever safe?
Frequency check: "instable" vs "installe" - which ranks higher?
After this comparison
Eye-level mix-up between "instable" and "installe" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "instable" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "installe" - compare definitions side by side with the headword page. Word entry
- This pair ranks #388,308 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "instable" and "installe" also get mixed up with nearby pairs, the highest-scored neighbour is "instable vs installes". 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 #388,308 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.