inteirovsintroWhich spelling fits?

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

Which to use

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

#1,244
“inteiro” frequency rank
#26,070
“intro” frequency rank
27314
confusion score

Side-by-Side Comparison

Feature inteiro intro
Definition completo no interior, dentro

Where the eye mixes inteiro and intro

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
inteiro
5 ch
intro

Why the eye confuses inteiro with intro

These two trip readers on the page rather than in the ear: inteiro is /ĩ.ˈtɐj.ɾu/ while intro is /in.troː/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (adjective vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 27314, derived from the frequency rank of both members and their visual similarity.

inteiro is recorded at frequency rank #1,244, classified as anadj, pronounced /ĩ.ˈtɐj.ɾu/. 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 27314, this pair ranks #41,689 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of inteiro vs intro

Shared letters: inort. Private to "inteiro": e. Private to "intro": -.

"inteiro" · 7 letters · shape VCCVVCV  ·  "intro" · 5 letters · shape VCCCV

Known mistypes of this pair

  • inteiroinetiro · innteiro · inteior · inteirro · interio · intiero · intteiro · itneiro
  • introinntro · inrto · intor · intrro · inttro · itnro · nitro

Frequently Asked Questions

Is swapping "inteiro" for "intro" ever safe?
No - they are not even the same part of speech. "inteiro" is an adjective and "intro" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "inteiro" or "intro"?
"inteiro" is the more common of the two: it sits at frequency rank #1,244 in our Portuguese list, against #26,070 for "intro". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Eye-level mix-up between "inteiro" and "intro" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "inteiro" 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 #41,689 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "inteiro" and "intro" also get mixed up with nearby pairs, the highest-scored neighbour is "ino vs intro". 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 #41,689 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