vitrovsvivoTell them apart

Which to use

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

#31,195
“vitro” frequency rank
#513
“vivo” frequency rank
31708
confusion score

Side-by-Side Comparison

Feature vitro vivo
Definition vidro vida

Where the eye mixes vitro and vivo

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. vitro runs 5 letters (CVCCV) against vivo's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
vitro
4 ch
vivo

Visual trap between vitro and vivo

A purely visual mix-up. vitro (/vi.ˈtrɔ/) and vivo (/ˈvi.vɔ/) 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 31708, derived from the frequency rank of both members and their visual similarity.

vitro is recorded at frequency rank #31,195, classified as anoun, pronounced /vi.ˈtrɔ/. vivo is at rank #513, tagged as anoun, pronounced /ˈvi.vɔ/.

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 31708, this pair ranks #36,291 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of vitro vs vivo

Shared letters: iov. Private to "vitro": rt. Private to "vivo": -.

"vitro" · 5 letters · shape CVCCV  ·  "vivo" · 4 letters · shape CVCV

Known mistypes of this pair

  • vitro ← ivtro · virto · vitor · vitrro · vittro · vtiro · vvitro
  • vivo ← ivvo · viov · vivvo · vvio · vvivo

Frequently Asked Questions

Can "vitro" and "vivo" be used interchangeably?
No. They are said differently (/vi.ˈtrɔ/ versus /ˈvi.vɔ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "vitro" or "vivo"?
"vivo" is the more common of the two: it sits at frequency rank #513 in our Portuguese list, against #31,195 for "vitro". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "vitro" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "vivo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #36,291 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "vitro" and "vivo" also get mixed up with nearby pairs, the highest-scored neighbour is "vitral vs vitro". 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 #36,291 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