ideavsirmãWhat's the difference?

Which to use

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

#24,034
“idea” frequency rank
#939
“irmã” frequency rank
24973
confusion score

Side-by-Side Comparison

Feature idea irmã
Definition ideia aquela que em relação a outrem, possui os dois pais (o mesmo pai e a mesma mãe ao mesmo tempo) em comum

Where the eye mixes idea and irmã

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

4 ch
idea
4 ch
irmã

Visual trap between idea and irmã

A purely visual mix-up. idea (/i.ˈðe.a/) and irmã (/iɾ.ˈmɐ̃/) 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 3 positions. Our composite confusion score for this pair is 24973, derived from the frequency rank of both members and their visual similarity.

idea is recorded at frequency rank #24,034, classified as anoun, pronounced /i.ˈðe.a/. irmã is at rank #939, tagged as anoun, pronounced /iɾ.ˈmɐ̃/.

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 24973, this pair ranks #44,459 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of idea vs irmã

Shared letters: i. Private to "idea": ade. Private to "irmã": mrã.

"idea" · 4 letters · shape VCVV  ·  "irmã" · 4 letters · shape VCCV

Known mistypes of this pair

  • ideadiea · idae · iddea · ieda

Frequently Asked Questions

Is swapping "idea" for "irmã" ever safe?
No. They are said differently (/i.ˈðe.a/ versus /iɾ.ˈmɐ̃/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "idea" vs "irmã" - which ranks higher?
"irmã" is the more common of the two: it sits at frequency rank #939 in our Portuguese list, against #24,034 for "idea". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "idea" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "irmã" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #44,459 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "idea" and "irmã" also get mixed up with nearby pairs, the highest-scored neighbour is "idea vs ina". 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 #44,459 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