cafeínavscavernaConfusable pair

Which to use

“cafeína” and “caverna” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#19,354
“cafeína” frequency rank
#7,741
“caverna” frequency rank
27095
confusion score

Side-by-Side Comparison

Feature cafeína caverna
Definition alcaloide do grupo das xantinas usado como estimulante, C₈H₁₀N₄O₂ cavidade subterrânea

Where the eye mixes cafeína and caverna

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
cafeína
7 ch
caverna

Why the eye confuses cafeína with caverna

A purely visual mix-up. cafeína ([kafeˈina], plural: [kafeˈinas]) and caverna (/kɐ.ˈvɛɾ.nɐ/) 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 27095, derived from the frequency rank of both members and their visual similarity.

cafeína is recorded at frequency rank #19,354, classified as anoun, pronounced [kafeˈina], plural: [kafeˈinas]. caverna is at rank #7,741, tagged as anoun, pronounced /kɐ.ˈvɛɾ.nɐ/.

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 27095, this pair ranks #41,927 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cafeína vs caverna

Shared letters: acen. Private to "cafeína": . Private to "caverna": rv.

"cafeína" · 7 letters · shape CVCVVCV  ·  "caverna" · 7 letters · shape CVCVCCV

Known mistypes of this pair

  • cavernaacverna · caevrna · cavenra · caveran · cavernna · caverrna · cavrena · cavverna

Frequently Asked Questions

Is swapping "cafeína" for "caverna" ever safe?
No. They are said differently ([kafeˈina], plural: [kafeˈinas] versus /kɐ.ˈvɛɾ.nɐ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "cafeína" vs "caverna" - which ranks higher?
"caverna" is the more common of the two: it sits at frequency rank #7,741 in our Portuguese list, against #19,354 for "cafeína". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "cafeína" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "caverna" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #41,927 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "cafeína" and "caverna" also get mixed up with nearby pairs, the highest-scored neighbour is "cabina vs cafeína". 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 #41,927 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list