caudalvscausalConfusable pair

Which to use

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

#45,742
“caudal” frequency rank
#37,225
“causal” frequency rank
82967
confusion score

Side-by-Side Comparison

Feature caudal causal
Definition abundante relativo a causa

Where the eye mixes caudal and causal

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. caudal and causal follow the identical consonant-vowel pattern (CVVCVC). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
caudal
6 ch
causal

Visual trap between caudal and causal

A purely visual mix-up. caudal (/kaw.ˈdaɫ/) and causal (/kaw.ˈzaɫ/) 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 a single letter - d in “caudal” becomes s in “causal”. Our composite confusion score for this pair is 82967, derived from the frequency rank of both members and their visual similarity.

caudal is recorded at frequency rank #45,742, classified as anadj, pronounced /kaw.ˈdaɫ/. causal is at rank #37,225, tagged as anadj, pronounced /kaw.ˈzaɫ/.

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 82967, this pair ranks #963 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of caudal vs causal

Shared letters: aclu. Private to "caudal": d. Private to "causal": s.

"caudal" · 6 letters · shape CVVCVC  ·  "causal" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • caudal ← acudal · cadual · cauadl · caudall · cauddal · caudla · ccaudal · cuadal
  • causal ← acusal · cauasl · causall · causla · caussal · ccausal · cuasal

Frequently Asked Questions

Is swapping "caudal" for "causal" ever safe?
No. They are said differently (/kaw.ˈdaɫ/ versus /kaw.ˈzaɫ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "caudal" vs "causal" - which ranks higher?
"causal" is the more common of the two: it sits at frequency rank #37,225 in our Portuguese list, against #45,742 for "caudal". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "caudal" and "causal" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "caudal" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "causal" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #963 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "caudal" and "causal" also get mixed up with nearby pairs, the highest-scored neighbour is "caução vs caudal". 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 #963 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