ioiôvsIrãoWhich spelling fits?

Quick tell: ioiô is a adjective, Irão is a noun, so they fill different roles in a sentence.

Which to use

“ioiô” is an adjective and “Irão” is a noun - they look or sound alike but fill different roles in a sentence.

#48,990
“ioiô” frequency rank
#1,785
“Irão” frequency rank
50775
confusion score

Side-by-Side Comparison

Feature ioiô Irão
Definition que se começa, se para e se volta a fazer país do Oriente Médio, com nome oficial de República Islâmica do Irão, tem fronteiras com a Armênia, Azerbaijão, Turquemenistão, Afeganistão, Paquistão, Iraque e Turquia, é banhado ao norte pelo mar Cáspio, ao sul pelo golfo de Omã e ao sudoeste pelo golfo Pérsico, sua capital é Teerão

Letter map: ioiô vs Irão

Shared letters muted; letters that set ioiô and Irão apart highlighted. Shared run: 2. ioiô (VVVV) and Irão (VCVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
ioiô
4 ch
Irão

Role in the sentence - ioiô and Irão

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ioiô is anadjective and Irãoanoun. On the page they share most of their letters but differ in 3 positions. Our composite confusion score for this pair is 50775, derived from the frequency rank of both members and their visual similarity.

ioiô is recorded at frequency rank #48,990, classified as anadj. Irão is at rank #1,785, tagged as anoun.

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 50775, this pair ranks #14,181 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of ioiô vs Irão

Shared letters: io. Private to "ioiô": ô. Private to "Irão": rã.

"ioiô" · 4 letters · shape VVVV  ·  "Irão" · 4 letters · shape VCVV

Frequently Asked Questions

Do "ioiô" and "Irão" mean the same thing in a sentence?
No - they are not even the same part of speech. "ioiô" is an adjective and "Irão" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "ioiô" vs "Irão" - which ranks higher?
"Irão" is the more common of the two: it sits at frequency rank #1,785 in our Portuguese list, against #48,990 for "ioiô". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "ioiô" and "Irão".

  • Full dictionary entry for "ioiô" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Irão" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #14,181 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ioiô" and "Irão" also get mixed up with nearby pairs, the highest-scored neighbour is "ino vs ioiô". Nearby pair

Confusion rank #14,181 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