Which to use
“proteína” and “proteínas” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #10,741
- “proteína” frequency rank
- #7,772
- “proteínas” frequency rank
- 18513
- confusion score
Side-by-Side Comparison
| Feature | proteína | proteínas |
|---|---|---|
| Definition | Cadena de aminoácidos, parte esencial de células y virus. Una de las tres clases principales de alimentos. | Forma del plural de proteína |
Where the eye mixes proteína and proteínas
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. proteína runs 8 letters (CCVCVVCV) against proteínas's 9 (CCVCVVCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: proteína vs proteínas
A purely visual mix-up. proteína ([pɾot̪eˈina]) and proteínas ([pɾot̪eˈinas]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “proteína” sits inside “proteínas”. Our composite confusion score for this pair is 18513, derived from the frequency rank of both members and their visual similarity.
proteína is recorded at frequency rank #10,741, classified as anoun, pronounced [pɾot̪eˈina]. proteínas is at rank #7,772, tagged as anoun, pronounced [pɾot̪eˈinas].
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 18513, this pair ranks #267,620 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of proteína vs proteínas
Shared letters: aenoprtí. Private to "proteína": -. Private to "proteínas": s.
"proteína" · 8 letters · shape CCVCVVCV · "proteínas" · 9 letters · shape CCVCVVCVC
Frequently Asked Questions
Is swapping "proteína" for "proteínas" ever safe?
Frequency check: "proteína" vs "proteínas" - which ranks higher?
After this comparison
Eye-level mix-up between "proteína" and "proteínas" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "proteína" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "proteínas" - compare definitions side by side with the headword page. Word entry
- This pair ranks #267,620 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "proteína" and "proteínas" also get mixed up with nearby pairs, the highest-scored neighbour is "protegía vs proteína". Nearby pair
Confusion rank #267,620 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.