inovsintroConfusable pair

Quick tell: ino is a noun, intro is an adverb, so they fill different roles in a sentence.

Which to use

“ino” is a noun and “intro” is an adverb - they look or sound alike but fill different roles in a sentence.

#49,532
“ino” frequency rank
#26,070
“intro” frequency rank
75602
confusion score

Side-by-Side Comparison

Feature ino intro
Definition ser do sexo feminino; fêmea no interior, dentro

Letter map: ino vs intro

Shared letters muted; letters that set ino and intro apart highlighted. Shared run: 3. ino runs 3 letters (VCV) against intro's 5 (VCCCV) - the length gap alone is often enough to separate them once you know to check it.

3 ch
ino
5 ch
intro

Grammar separator: ino vs intro

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ino is anoun and introanadverb. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 75602, derived from the frequency rank of both members and their visual similarity.

ino is recorded at frequency rank #49,532, classified as anoun. intro is at rank #26,070, tagged as anadv, pronounced /in.troː/.

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 75602, this pair ranks #2,266 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of ino vs intro

Shared letters: ino. Private to "ino": -. Private to "intro": rt.

"ino" · 3 letters · shape VCV  ·  "intro" · 5 letters · shape VCCCV

Known mistypes of this pair

  • intro ← inntro · inrto · intor · intrro · inttro · itnro · nitro

Frequently Asked Questions

Is swapping "ino" for "intro" ever safe?
No - they are not even the same part of speech. "ino" is a noun and "intro" an adverb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "ino" or "intro" show up more?
"intro" is the more common of the two: it sits at frequency rank #26,070 in our Portuguese list, against #49,532 for "ino". 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 "ino" and "intro".

  • Full dictionary entry for "ino" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "intro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #2,266 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ino" and "intro" also get mixed up with nearby pairs, the highest-scored neighbour is "ino vs ioiô". 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 #2,266 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