idovsioiôWhat's the difference?

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

Which to use

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

#3,480
“ido” frequency rank
#48,990
“ioiô” frequency rank
52470
confusion score

Side-by-Side Comparison

Feature ido ioiô
Definition língua artificial, uma versão simplificada do esperanto; não é adotada oficialmente por nenhum país e é seguida por grupos pequenos de pessoas, especialmente na Europa que se começa, se para e se volta a fazer

Letter map: ido vs ioiô

Shared letters muted; letters that set ido and ioiô apart highlighted. Shared run: 2. ido runs 3 letters (VCV) against ioiô's 4 (VVVV) - the length gap alone is often enough to separate them once you know to check it.

3 ch
ido
4 ch
ioiô

Role in the sentence - ido and ioiô

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ido is anoun and ioiôanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 52470, derived from the frequency rank of both members and their visual similarity.

ido is recorded at frequency rank #3,480, classified as anoun, pronounced /ˈi.du/. ioiô is at rank #48,990, tagged as anadj.

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 52470, this pair ranks #12,734 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of ido vs ioiô

Shared letters: io. Private to "ido": d. Private to "ioiô": ô.

"ido" · 3 letters · shape VCV  ·  "ioiô" · 4 letters · shape VVVV

Frequently Asked Questions

Is swapping "ido" for "ioiô" ever safe?
No - they are not even the same part of speech. "ido" is a noun and "ioiô" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "ido" vs "ioiô" - which ranks higher?
"ido" is the more common of the two: it sits at frequency rank #3,480 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.

After this comparison

You've compared "ido" and "ioiô". Here's where to go from here.

  • Full dictionary entry for "ido" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ioiô" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #12,734 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ido" and "ioiô" also get mixed up with nearby pairs, the highest-scored neighbour is "ino vs ioiô". Nearby pair

Confusion rank #12,734 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