tercovsterraTell them apart

Quick tell: terco is a adjective, terra is a noun, so they fill different roles in a sentence.

Which to use

“terco” is an adjective and “terra” is a noun - they look or sound alike but fill different roles in a sentence.

#29,415
“terco” frequency rank
#14,022
“terra” frequency rank
43437
confusion score

Side-by-Side Comparison

Feature terco terra
Definition Que no cambia su opinión o proceder, pese a las razones en sentido contrario. Tierra.

Where the eye mixes terco and terra

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. terco and terra 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
terra

Visual trap between terco and terra

These two trip readers on the page rather than in the ear: terco is [ˈt̪eɾko] while terra is /ˈtɛ.rə/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 43437, 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]. terra is at rank #14,022, tagged as anoun, pronounced /ˈtɛ.rə/.

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 43437, this pair ranks #142,661 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of terco vs terra

Shared letters: ert. Private to "terco": co. Private to "terra": a.

"terco" · 5 letters · shape CVCCV  ·  "terra" · 5 letters · shape CVCCV

Known mistypes of this pair

  • terco ← etrco · tecro · tercco · teroc · terrco · treco · tterco
  • terra ← etrra · tera · terar · trera · tterra

Frequently Asked Questions

Is swapping "terco" for "terra" ever safe?
No - they are not even the same part of speech. "terco" is an adjective and "terra" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "terco" vs "terra" - which ranks higher?
"terra" is the more common of the two: it sits at frequency rank #14,022 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.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "terco" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "terra" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #142,661 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "terco" and "terra" 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 #142,661 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