tercavsterreConfusable pair

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

Which to use

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

#42,175
“terca” frequency rank
#37,351
“terre” frequency rank
79526
confusion score

Side-by-Side Comparison

Feature terca terre
Definition Forma del femenino singular de terco. Tierra

Where the eye mixes terca and terre

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

5 ch
terca
5 ch
terre

Why the eye confuses terca with terre

These two trip readers on the page rather than in the ear: terca is [ˈt̪eɾka] while terre is [tɛʁ]. 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 79526, derived from the frequency rank of both members and their visual similarity.

terca is recorded at frequency rank #42,175, classified as anadj, pronounced [ˈt̪eɾka]. terre is at rank #37,351, tagged as anoun, pronounced [tɛʁ].

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 79526, this pair ranks #12,883 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of terca vs terre

Shared letters: ert. Private to "terca": ac. Private to "terre": -.

"terca" · 5 letters · shape CVCCV  ·  "terre" · 5 letters · shape CVCCV

Known mistypes of this pair

  • terca ← etrca · tecra · terac · tercca · terrca · treca · tterca
  • terre ← etrre · terer · trere · tterre

Frequently Asked Questions

Can "terca" and "terre" be used interchangeably?
No - they are not even the same part of speech. "terca" is an adjective and "terre" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "terca" or "terre" show up more?
"terre" is the more common of the two: it sits at frequency rank #37,351 in our Spanish list, against #42,175 for "terca". 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 "terca" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "terre" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #12,883 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "terca" and "terre" also get mixed up with nearby pairs, the highest-scored neighbour is "terca vs tercos". 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 #12,883 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