tercovstoscoWhich spelling fits?

Which to use

“terco” and “tosco” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#29,415
“terco” frequency rank
#39,491
“tosco” frequency rank
68906
confusion score

Side-by-Side Comparison

Feature terco tosco
Definition Que no cambia su opinión o proceder, pese a las razones en sentido contrario. Dicho de una cosa, hecho sin refinamiento, con materia prima ordinaria que no ha sido pulida o embellecida.

Where the eye mixes terco and tosco

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. terco and tosco follow the identical consonant-vowel pattern (CVCCV). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
terco
5 ch
tosco

Why the eye confuses terco with tosco

A purely visual mix-up. terco ([ˈt̪eɾko]) and tosco ([ˈt̪osko]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 68906, 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]. tosco is at rank #39,491, tagged as anadj, pronounced [ˈt̪osko].

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 68906, this pair ranks #33,344 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of terco vs tosco

Shared letters: cot. Private to "terco": er. Private to "tosco": s.

"terco" · 5 letters · shape CVCCV  ·  "tosco" · 5 letters · shape CVCCV

Known mistypes of this pair

  • terco ← etrco · tecro · tercco · teroc · terrco · treco · tterco
  • tosco ← otsco · tocso · toscco · tosoc · tossco · tsoco · ttosco

Frequently Asked Questions

Do "terco" and "tosco" mean the same thing in a sentence?
No. They are said differently ([ˈt̪eɾko] versus [ˈt̪osko]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "terco" or "tosco" show up more?
"terco" is the more common of the two: it sits at frequency rank #29,415 in our Spanish list, against #39,491 for "tosco". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "tosco" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #33,344 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "terco" and "tosco" also get mixed up with nearby pairs, the highest-scored neighbour is "toldo vs tosco". 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 #33,344 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list