Which to use
“tercero” is an adjective and “terceros” is a noun - they look or sound alike but fill different roles in a sentence.
- #3,024
- “tercero” frequency rank
- #6,467
- “terceros” frequency rank
- 9491
- confusion score
Side-by-Side Comparison
| Feature | tercero | terceros |
|---|---|---|
| Definition | Que en una serie de tres o más cosas, personas o animales, ocupa el lugar número tres en importancia, valor, ubicación, etc. | Forma del plural de tercero. |
Where the eye mixes tercero and terceros
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. tercero runs 7 letters (CVCCVCV) against terceros's 8 (CVCCVCVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between tercero and terceros
These two trip readers on the page rather than in the ear: tercero is [t̪eɾˈseɾo] while terceros is [t̪eɾˈseɾos]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “tercero” sits inside “terceros”, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 9491, derived from the frequency rank of both members and their visual similarity.
tercero is recorded at frequency rank #3,024, classified as anadj, pronounced [t̪eɾˈseɾo]. terceros is at rank #6,467, tagged as anoun, pronounced [t̪eɾˈseɾos].
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 9491, this pair ranks #301,768 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of tercero vs terceros
Shared letters: ceort. Private to "tercero": -. Private to "terceros": s.
"tercero" · 7 letters · shape CVCCVCV · "terceros" · 8 letters · shape CVCCVCVC
Known mistypes of this pair
Frequently Asked Questions
Do "tercero" and "terceros" mean the same thing in a sentence?
Which is more common, "tercero" or "terceros"?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "tercero" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "terceros" - compare definitions side by side with the headword page. Word entry
- This pair ranks #301,768 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "tercero" and "terceros" also get mixed up with nearby pairs, the highest-scored neighbour is "terceros vs ternero". 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 #301,768 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.