tailvstioWhich spelling fits?

Which to use

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

#34,941
“tail” frequency rank
#2,211
“tio” frequency rank
37152
confusion score

Side-by-Side Comparison

Feature tail tio
Definition rabo, cauda irmão da mãe ou do pai

Where the eye mixes tail and tio

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

4 ch
tail
3 ch
tio

Visual trap between tail and tio

A purely visual mix-up. tail (/teɪl/) and tio (/ti.u/ [t͡ʃiu̯], [tiu̯]) 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 37152, derived from the frequency rank of both members and their visual similarity.

tail is recorded at frequency rank #34,941, classified as anoun, pronounced /teɪl/. tio is at rank #2,211, tagged as anoun, pronounced /ti.u/ [t͡ʃiu̯], [tiu̯].

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 37152, this pair ranks #29,524 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of tail vs tio

Shared letters: it. Private to "tail": al. Private to "tio": o.

"tail" · 4 letters · shape CVVC  ·  "tio" · 3 letters · shape CVV

Known mistypes of this pair

  • tailatil · taill · tali · tial · ttail

Frequently Asked Questions

Do "tail" and "tio" mean the same thing in a sentence?
No. They are said differently (/teɪl/ versus /ti.u/ [t͡ʃiu̯], [tiu̯]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "tail" vs "tio" - which ranks higher?
"tio" is the more common of the two: it sits at frequency rank #2,211 in our Portuguese list, against #34,941 for "tail". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "tail" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tio" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #29,524 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "tail" and "tio" also get mixed up with nearby pairs, the highest-scored neighbour is "tail vs til". 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 #29,524 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