Which to use
“intra” is a preposition and “intro” is a noun - they look or sound alike but fill different roles in a sentence.
- #38,770
- “intra” frequency rank
- #20,721
- “intro” frequency rank
- 59491
- confusion score
Side-by-Side Comparison
| Feature | intra | intro |
|---|---|---|
| Definition | Dentro de, en el interior de. | Introducción. |
Where the spellings diverge
Shared letters are muted; the letters that actually set intra and intro apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: intra is [ˈɪn.traː] while intro is [ˈĩn̪t̪ɾo]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “intra” becomes o in “intro”, and the parts of speech differ too (preposition vs noun), which is usually the fastest check. Our composite confusion score for this pair is 59491, derived from the frequency rank of both members and their visual similarity.
intra is recorded at frequency rank #38,770, classified as aprep, pronounced [ˈɪn.traː]. 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 59491, this pair ranks #62,411 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of intra vs intro
Shared letters: inrt. Private to "intra": a. Private to "intro": o.
"intra" · 5 letters · shape VCCCV · "intro" · 5 letters · shape VCCCV
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "intra" and "intro" be used interchangeably?
Which is more common, "intra" or "intro"?
Remembering intra vs intro
The fastest way to pick the right one every time.
- Check the role first: if you need a preposition, it's “intra”; for a noun, it's “intro”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “intra” entry
- Browse more pairs most likely to be confused. Most confusable