idovsisConfusable pair

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

Which to use

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

#3,480
“ido” frequency rank
#1,709
“is” frequency rank
5189
confusion score

Side-by-Side Comparison

Feature ido is
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 contração de agus; e

Letter map: ido vs is

Shared letters muted; letters that set ido and is apart highlighted. Shared run: 1.

3 ch
ido
2 ch
is

Grammar separator: ido vs is

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ido is anoun and isaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 5189, 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/. is is at rank #1,709, tagged as averb.

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 5189, this pair ranks #69,494 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ido vs is

Shared letters: i. Private to "ido": do. Private to "is": s.

"ido" · 3 letters · shape VCV  ·  "is" · 2 letters · shape VC

Frequently Asked Questions

Do "ido" and "is" mean the same thing in a sentence?
No - they are not even the same part of speech. "ido" is a noun and "is" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ido" or "is"?
"is" is the more common of the two: it sits at frequency rank #1,709 in our Portuguese list, against #3,480 for "ido". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "ido" and "is".

  • Full dictionary entry for "ido" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "is" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #69,494 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ido" and "is" also get mixed up with nearby pairs, the highest-scored neighbour is "ido vs ino". Nearby pair

Confusion rank #69,494 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