installavsinstallaitWhich spelling fits?

Which to use

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

#23,586
“installa” frequency rank
#42,950
“installait” frequency rank
66536
confusion score

Side-by-Side Comparison

Feature installa installait
Definition Troisième personne du singulier du passé simple de installer. Troisième personne du singulier de l’imparfait de l’indicatif de installer.

Where the eye mixes installa and installait

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence.

8 ch
installa
10 ch
installait

Visual trap between installa and installait

A purely visual mix-up. installa (\ɛ̃s.ta.la\) and installait (\ɛ̃s.ta.lɛ\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 extra letter(s) - “installa” sits inside “installait”. Our composite confusion score for this pair is 66536, derived from the frequency rank of both members and their visual similarity.

installa is recorded at frequency rank #23,586, classified as averb, pronounced \ɛ̃s.ta.la\. installait is at rank #42,950, tagged as averb, pronounced \ɛ̃s.ta.lɛ\.

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 66536, this pair ranks #67,384 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of installa vs installait

Shared letters: ailnst. Private to "installa": -. Private to "installait": -.

"installa" · 8 letters · shape VCCCVCCV  ·  "installait" · 10 letters · shape VCCCVCCVVC

Known mistypes of this pair

  • installainnstalla · insatlla · insstalla · instala · instalal · instlala · insttalla · intsalla
  • installaitinnstallait · insatllait · insstallait · instalait · instalalit · installaitt · installati · installiat

Frequently Asked Questions

Can "installa" and "installait" be used interchangeably?
No. They are said differently (\ɛ̃s.ta.la\ versus \ɛ̃s.ta.lɛ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "installa" vs "installait" - which ranks higher?
"installa" is the more common of the two: it sits at frequency rank #23,586 in our French list, against #42,950 for "installait". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "installa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "installait" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #67,384 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "installa" and "installait" also get mixed up with nearby pairs, the highest-scored neighbour is "installa 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 #67,384 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