írisvsirmãWhat's the difference?

Which to use

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

#7,993
“íris” frequency rank
#939
“irmã” frequency rank
8932
confusion score

Side-by-Side Comparison

Feature íris irmã
Definition meteoro luminoso produzido na atmosfera em forma de arco pela decomposição dos raios solares 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 íris and irmã

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

4 ch
íris
4 ch
irmã

Look-alike desk: íris vs irmã

A purely visual mix-up. íris (/ˈi.ɾiʃ/) 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 8932, derived from the frequency rank of both members and their visual similarity.

íris is recorded at frequency rank #7,993, classified as anoun, pronounced /ˈi.ɾiʃ/. 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 8932, this pair ranks #64,669 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of íris vs irmã

Shared letters: ir. Private to "íris": . Private to "irmã": .

"íris" · 4 letters · shape VCVC  ·  "irmã" · 4 letters · shape VCCV

Frequently Asked Questions

Can "íris" and "irmã" be used interchangeably?
No. They are said differently (/ˈi.ɾiʃ/ versus /iɾ.ˈmɐ̃/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "íris" or "irmã"?
"irmã" is the more common of the two: it sits at frequency rank #939 in our Portuguese list, against #7,993 for "íris". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "íris" 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 #64,669 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "íris" and "irmã" also get mixed up with nearby pairs, the highest-scored neighbour is "ioiô vs íris". Nearby pair

Confusion rank #64,669 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