ahavsaruWhich spelling fits?

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

Which to use

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

#24,847
“aha” frequency rank
#48,924
“aru” frequency rank
73771
confusion score

Side-by-Side Comparison

Feature aha aru
Definition Exprime l’illumination, la révélation, la découverte. Vagin.

Where the eye mixes aha and aru

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
aha
3 ch
aru

Visual trap between aha and aru

These two trip readers on the page rather than in the ear: aha is \a.ha\ while aru is \aru\. 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 (intj vs noun), which is usually the fastest check. Our composite confusion score for this pair is 73771, derived from the frequency rank of both members and their visual similarity.

aha is recorded at frequency rank #24,847, classified as anintj, pronounced \a.ha\. aru is at rank #48,924, tagged as anoun, pronounced \aru\.

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 73771, this pair ranks #39,325 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of aha vs aru

Shared letters: a. Private to "aha": h. Private to "aru": ru.

"aha" · 3 letters · shape VCV  ·  "aru" · 3 letters · shape VCV

Frequently Asked Questions

Do "aha" and "aru" mean the same thing in a sentence?
No - they are not even the same part of speech. "aha" is an intj and "aru" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "aha" or "aru"?
"aha" is the more common of the two: it sits at frequency rank #24,847 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.

What to do next

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

  • Full dictionary entry for "aha" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aru" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #39,325 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "aha" and "aru" also get mixed up with nearby pairs, the highest-scored neighbour is "aru vs aur". Nearby pair

Confusion rank #39,325 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