Which to use
“centra” is a verb and “costra” is a noun - they look or sound alike but fill different roles in a sentence.
- #6,990
- “centra” frequency rank
- #44,080
- “costra” frequency rank
- 51070
- confusion score
Side-by-Side Comparison
| Feature | centra | costra |
|---|---|---|
| Definition | Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de centrar. | Tejido temporal formado por las plaquetas que cubre una herida para proteger la dermis durante el proceso de regeneración. |
Where the eye mixes centra and costra
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. centra and costra follow the identical consonant-vowel pattern (CVCCCV). Same shape at a glance is often the real trap, independent of shared letters.
Visual trap between centra and costra
These two trip readers on the page rather than in the ear: centra is [ˈsẽn̪t̪ɾa] while costra is [ˈkost̪ɾa]. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 51070, derived from the frequency rank of both members and their visual similarity.
centra is recorded at frequency rank #6,990, classified as averb, pronounced [ˈsẽn̪t̪ɾa]. costra is at rank #44,080, tagged as anoun, pronounced [ˈkost̪ɾa].
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 51070, this pair ranks #99,816 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of centra vs costra
Shared letters: acrt. Private to "centra": en. Private to "costra": os.
"centra" · 6 letters · shape CVCCCV · "costra" · 6 letters · shape CVCCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "centra" for "costra" ever safe?
Frequency check: "centra" vs "costra" - which ranks higher?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "centra" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "costra" - compare definitions side by side with the headword page. Word entry
- This pair ranks #99,816 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "centra" and "costra" also get mixed up with nearby pairs, the highest-scored neighbour is "casará vs costra". 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 #99,816 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.