internovsintroTell them apart

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

Which to use

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

#2,989
“interno” frequency rank
#20,721
“intro” frequency rank
23710
confusion score

Side-by-Side Comparison

Feature interno intro
Definition Que está dentro de algo. Introducción.

Where the eye mixes interno and intro

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

7 ch
interno
5 ch
intro

Why the eye confuses interno with intro

These two trip readers on the page rather than in the ear: interno is [ĩn̪ˈt̪eɾno] while intro is [ˈĩn̪t̪ɾo]. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 23710, derived from the frequency rank of both members and their visual similarity.

interno is recorded at frequency rank #2,989, classified as anadj, pronounced [ĩn̪ˈt̪eɾno]. intro is at rank #20,721, tagged as anoun, pronounced [ˈĩn̪t̪ɾo].

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 23710, this pair ranks #244,502 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of interno vs intro

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

"interno" · 7 letters · shape VCCVCCV  ·  "intro" · 5 letters · shape VCCCV

Known mistypes of this pair

  • internoinetrno · innterno · intenro · internno · interon · interrno · intreno · intterno
  • introinntro · inrto · intor · intrro · inttro · itnro · nitro

Frequently Asked Questions

Is swapping "interno" for "intro" ever safe?
No - they are not even the same part of speech. "interno" is an adjective and "intro" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "interno" or "intro"?
"interno" is the more common of the two: it sits at frequency rank #2,989 in our Spanish list, against #20,721 for "intro". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "interno" 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 #244,502 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "interno" and "intro" also get mixed up with nearby pairs, the highest-scored neighbour is "intro vs intuyo". 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 #244,502 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list