tombovstuboConfusable pair

Which to use

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

#19,867
“tombo” frequency rank
#7,227
“tubo” frequency rank
27094
confusion score

Side-by-Side Comparison

Feature tombo tubo
Definition ato ou efeito de tombar; queda cilindro oco; cano; ducto

Where the eye mixes tombo and tubo

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
tombo
4 ch
tubo

Look-alike desk: tombo vs tubo

A purely visual mix-up. tombo (/ˈtõ.bu/) and tubo (/'tubu/) 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 27094, derived from the frequency rank of both members and their visual similarity.

tombo is recorded at frequency rank #19,867, classified as anoun, pronounced /ˈtõ.bu/. tubo is at rank #7,227, tagged as anoun, pronounced /'tubu/.

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 27094, this pair ranks #41,929 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of tombo vs tubo

Shared letters: bot. Private to "tombo": m. Private to "tubo": u.

"tombo" · 5 letters · shape CVCCV  ·  "tubo" · 4 letters · shape CVCV

Known mistypes of this pair

  • tombootmbo · tmobo · tobmo · tombbo · tommbo · tomob · ttombo
  • tubotbuo · ttubo · tubbo · tuob · utbo

Frequently Asked Questions

Is swapping "tombo" for "tubo" ever safe?
No. They are said differently (/ˈtõ.bu/ versus /'tubu/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "tombo" or "tubo"?
"tubo" is the more common of the two: it sits at frequency rank #7,227 in our Portuguese list, against #19,867 for "tombo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "tombo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tubo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #41,929 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "tombo" and "tubo" also get mixed up with nearby pairs, the highest-scored neighbour is "tampo vs tombo". 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 #41,929 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