aruvsausTell them apart

Quick tell: aru is a noun, aus is a preposition, so they fill different roles in a sentence.

Which to use

“aru” is a noun and “aus” is a preposition - they look or sound alike but fill different roles in a sentence.

#48,924
“aru” frequency rank
#18,401
“aus” frequency rank
67325
confusion score

Side-by-Side Comparison

Feature aru aus
Definition Vagin. De (désigne la provenance).

Where the eye mixes aru and aus

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. aru (VCV) and aus (VVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
aru
3 ch
aus

Look-alike desk: aru vs aus

These two trip readers on the page rather than in the ear: aru is \aru\ while aus is \aʊ̯s\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 67325, derived from the frequency rank of both members and their visual similarity.

aru is recorded at frequency rank #48,924, classified as anoun, pronounced \aru\. aus is at rank #18,401, tagged as aprep, pronounced \aʊ̯s\.

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 67325, this pair ranks #63,903 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of aru vs aus

Shared letters: au. Private to "aru": r. Private to "aus": s.

"aru" · 3 letters · shape VCV  ·  "aus" · 3 letters · shape VVC

Frequently Asked Questions

Is swapping "aru" for "aus" ever safe?
No - they are not even the same part of speech. "aru" is a noun and "aus" a preposition, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "aru" or "aus" show up more?
"aus" is the more common of the two: it sits at frequency rank #18,401 in our French list, against #48,924 for "aru". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "aru" and "aus" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "aru" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #63,903 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "aru" and "aus" also get mixed up with nearby pairs, the highest-scored neighbour is "aru vs aur". Nearby pair

Confusion rank #63,903 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