Which to use
“antígeno” is a noun and “antiguo” is an adjective - they look or sound alike but fill different roles in a sentence.
- #43,974
- “antígeno” frequency rank
- #1,467
- “antiguo” frequency rank
- 45441
- confusion score
Side-by-Side Comparison
| Feature | antígeno | antiguo |
|---|---|---|
| Definition | Molécula, o estructura molecular, que provoca una respuesta inmunitaria con la activación de los linfocitos T y formación de anticuerpos. | Que existe desde hace un periodo de tiempo relativamente largo. |
Where the eye mixes antígeno and antiguo
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Look-alike desk: antígeno vs antiguo
These two trip readers on the page rather than in the ear: antígeno is [ãn̪ˈt̪ixeno] while antiguo is [ãn̪ˈt̪iɣ̞wo]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 45441, derived from the frequency rank of both members and their visual similarity.
antígeno is recorded at frequency rank #43,974, classified as anoun, pronounced [ãn̪ˈt̪ixeno]. antiguo is at rank #1,467, tagged as anadj, pronounced [ãn̪ˈt̪iɣ̞wo].
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 45441, this pair ranks #131,412 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of antígeno vs antiguo
Shared letters: agnot. Private to "antígeno": eí. Private to "antiguo": iu.
"antígeno" · 8 letters · shape VCCVCVCV · "antiguo" · 7 letters · shape VCCVCVV
Known mistypes of this pair
- antiguo ← anitguo · anntiguo · antgiuo · antigguo · antigou · antiugo · anttiguo · atniguo
Frequently Asked Questions
Can "antígeno" and "antiguo" be used interchangeably?
In ordinary Spanish text, does "antígeno" or "antiguo" show up more?
Useful next steps
Eye-level mix-up between "antígeno" and "antiguo" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "antígeno" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "antiguo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #131,412 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "antígeno" and "antiguo" also get mixed up with nearby pairs, the highest-scored neighbour is "antígeno vs antígenos". 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 #131,412 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.