Which to use
“terco” and “tercos” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #29,415
- “terco” frequency rank
- #48,727
- “tercos” frequency rank
- 78142
- confusion score
Side-by-Side Comparison
| Feature | terco | tercos |
|---|---|---|
| Definition | Que no cambia su opinión o proceder, pese a las razones en sentido contrario. | Forma del plural de terco. |
Where the eye mixes terco and tercos
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. terco runs 5 letters (CVCCV) against tercos's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: terco vs tercos
A purely visual mix-up. terco ([ˈt̪eɾko]) and tercos ([ˈt̪eɾkos]) 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) - “terco” sits inside “tercos”. Our composite confusion score for this pair is 78142, derived from the frequency rank of both members and their visual similarity.
terco is recorded at frequency rank #29,415, classified as anadj, pronounced [ˈt̪eɾko]. tercos is at rank #48,727, tagged as anadj, pronounced [ˈt̪eɾkos].
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 78142, this pair ranks #14,898 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of terco vs tercos
Shared letters: ceort. Private to "terco": -. Private to "tercos": s.
"terco" · 5 letters · shape CVCCV · "tercos" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "terco" and "tercos" be used interchangeably?
Which is more common, "terco" or "tercos"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "terco" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "tercos" - compare definitions side by side with the headword page. Word entry
- This pair ranks #14,898 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "terco" and "tercos" also get mixed up with nearby pairs, the highest-scored neighbour is "tercos vs termos". 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 #14,898 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.