teóricovstercoTell them apart

Which to use

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

#9,211
“teórico” frequency rank
#29,415
“terco” frequency rank
38626
confusion score

Side-by-Side Comparison

Feature teórico terco
Definition De la teoría o relacionado con ella. Que no cambia su opinión o proceder, pese a las razones en sentido contrario.

Where the eye mixes teórico and terco

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. teórico runs 7 letters (CVVCVCV) against terco's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.

7 ch
teórico
5 ch
terco

Why the eye confuses teórico with terco

A purely visual mix-up. teórico ([t̪eˈoɾiko]) and terco ([ˈt̪eɾko]) 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 2 letter(s) in length. Our composite confusion score for this pair is 38626, derived from the frequency rank of both members and their visual similarity.

teórico is recorded at frequency rank #9,211, classified as anadj, pronounced [t̪eˈoɾiko]. terco is at rank #29,415, tagged as anadj, pronounced [ˈt̪eɾko].

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 38626, this pair ranks #168,978 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of teórico vs terco

Shared letters: ceort. Private to "teórico": ió. Private to "terco": -.

"teórico" · 7 letters · shape CVVCVCV  ·  "terco" · 5 letters · shape CVCCV

Known mistypes of this pair

  • terco ← etrco · tecro · tercco · teroc · terrco · treco · tterco

Frequently Asked Questions

Is swapping "teórico" for "terco" ever safe?
No. They are said differently ([t̪eˈoɾiko] versus [ˈt̪eɾko]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "teórico" vs "terco" - which ranks higher?
"teórico" is the more common of the two: it sits at frequency rank #9,211 in our Spanish list, against #29,415 for "terco". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "teórico" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "terco" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #168,978 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "teórico" and "terco" also get mixed up with nearby pairs, the highest-scored neighbour is "terco 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 #168,978 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