rabovsrioWhat's the difference?

Which to use

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

#4,103
“rabo” frequency rank
#173
“rio” frequency rank
4276
confusion score

Side-by-Side Comparison

Feature rabo rio
Definition extremidade do corpo oposta à cabeça, nos peixes, répteis e alguns insetos curso por onde passa água doce continuamente (ou durante épocas específicas do ano)

Where the eye mixes rabo and rio

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
rabo
3 ch
rio

Spelling & Dictionary Insight

A purely visual mix-up. rabo (/ˈRa.bu/) and rio (/ʁi.u/ [ʁiu̯]) 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 1 letter(s) in length. Our composite confusion score for this pair is 4276, derived from the frequency rank of both members and their visual similarity.

rabo is recorded at frequency rank #4,103, classified as anoun, pronounced /ˈRa.bu/. rio is at rank #173, tagged as anoun, pronounced /ʁi.u/ [ʁiu̯].

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 4276, this pair ranks #70,678 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of rabo vs rio

Shared letters: or. Private to "rabo": ab. Private to "rio": i.

"rabo" · 4 letters · shape CVCV  ·  "rio" · 3 letters · shape CVV

Known mistypes of this pair

  • raboarbo · rabbo · raob · rbao · rrabo

Frequently Asked Questions

Can "rabo" and "rio" be used interchangeably?
No. They are said differently (/ˈRa.bu/ versus /ʁi.u/ [ʁiu̯]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "rabo" or "rio"?
"rio" is the more common of the two: it sits at frequency rank #173 in our Portuguese list, against #4,103 for "rabo". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "rabo" and "rio". Here's where to go from here.

  • Full dictionary entry for "rabo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rio" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #70,678 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "rabo" and "rio" also get mixed up with nearby pairs, the highest-scored neighbour is "rabi vs rabo". 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

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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

Source: FrequencyWords open word-frequency list