astrovsautreWhich spelling fits?

Which to use

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

#30,477
“astro” frequency rank
#96
“autre” frequency rank
30573
confusion score

Side-by-Side Comparison

Feature astro autre
Definition Astronomique. Du même type mais dont l’identité est différente de ce dont on vient de parler.

Where the eye mixes astro and autre

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
astro
5 ch
autre

Why the eye confuses astro with autre

A purely visual mix-up. astro (\as.tʁo\) and autre (\otʁ\) 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 30573, derived from the frequency rank of both members and their visual similarity.

astro is recorded at frequency rank #30,477, classified as anadj, pronounced \as.tʁo\. autre is at rank #96, tagged as anadj, pronounced \otʁ\.

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 30573, this pair ranks #309,393 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of astro vs autre

Shared letters: art. Private to "astro": os. Private to "autre": eu.

"astro" · 5 letters · shape VCCCV  ·  "autre" · 5 letters · shape VVCCV

Known mistypes of this pair

  • astroasrto · asstro · astrro · asttro · atsro · satro
  • autreature · aurte · auter · autrre · auttre · uatre

Frequently Asked Questions

Do "astro" and "autre" mean the same thing in a sentence?
No. They are said differently (\as.tʁo\ versus \otʁ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "astro" or "autre"?
"autre" is the more common of the two: it sits at frequency rank #96 in our French list, against #30,477 for "astro". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "astro" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "autre" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #309,393 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "astro" and "autre" also get mixed up with nearby pairs, the highest-scored neighbour is "astor vs astro". 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 #309,393 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