ajudarvsatuarTell them apart

Which to use

“ajudar” and “atuar” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#383
“ajudar” frequency rank
#4,207
“atuar” frequency rank
4590
confusion score

Side-by-Side Comparison

Feature ajudar atuar
Definition prestar ajuda; auxiliar; facilitar exercer ação

Where the eye mixes ajudar and atuar

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. ajudar runs 6 letters (VCVCVC) against atuar's 5 (VCVVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
ajudar
5 ch
atuar

Visual trap between ajudar and atuar

A purely visual mix-up. ajudar (/a.ˈʒu.dɐ/) and atuar (/ɐ.ˈtwaɾ/) 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 1 letter(s) in length. Our composite confusion score for this pair is 4590, derived from the frequency rank of both members and their visual similarity.

ajudar is recorded at frequency rank #383, classified as averb, pronounced /a.ˈʒu.dɐ/. atuar is at rank #4,207, tagged as averb, pronounced /ɐ.ˈtwaɾ/.

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 4590, this pair ranks #70,271 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ajudar vs atuar

Shared letters: aru. Private to "ajudar": dj. Private to "atuar": t.

"ajudar" · 6 letters · shape VCVCVC  ·  "atuar" · 5 letters · shape VCVVC

Known mistypes of this pair

  • ajudar ← ajduar · ajjudar · ajuadr · ajudarr · ajuddar · ajudra · aujdar · jaudar
  • atuar ← ataur · attuar · atuarr · atura · autar · tauar

Frequently Asked Questions

Is swapping "ajudar" for "atuar" ever safe?
No. They are said differently (/a.ˈʒu.dɐ/ versus /ɐ.ˈtwaɾ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "ajudar" vs "atuar" - which ranks higher?
"ajudar" is the more common of the two: it sits at frequency rank #383 in our Portuguese list, against #4,207 for "atuar". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "ajudar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "atuar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #70,271 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ajudar" and "atuar" also get mixed up with nearby pairs, the highest-scored neighbour is "atar vs atuar". 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 #70,271 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list