cactovscistoConfusable pair

Which to use

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

#32,881
“cacto” frequency rank
#39,054
“cisto” frequency rank
71935
confusion score

Side-by-Side Comparison

Feature cacto cisto
Definition planta suculenta da família das cactáceas que apresenta de espinhos e é adaptada a climas áridos saco fechado que tem uma membrana e divisão distintas do tecido circundante

Letter map: cacto vs cisto

Shared letters muted; letters that set cacto and cisto apart highlighted. Shared run: 3. cacto and cisto follow the identical consonant-vowel pattern (CVCCV). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
cacto
5 ch
cisto

Corpus notes: cacto and cisto

cacto and cisto are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 71935, derived from the frequency rank of both members and their visual similarity.

cacto is recorded at frequency rank #32,881, classified as anoun, pronounced /ˈkak.tu/. cisto is at rank #39,054, tagged as anoun.

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 71935, this pair ranks #3,206 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of cacto vs cisto

Shared letters: cot. Private to "cacto": a. Private to "cisto": is.

"cacto" · 5 letters · shape CVCCV  ·  "cisto" · 5 letters · shape CVCCV

Known mistypes of this pair

  • cacto ← accto · caccto · cacot · cactto · catco · ccacto · ccato
  • cisto ← ccisto · cisot · cissto · cistto · citso · csito · icsto

Frequently Asked Questions

Is swapping "cacto" for "cisto" ever safe?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "cacto" vs "cisto" - which ranks higher?
"cacto" is the more common of the two: it sits at frequency rank #32,881 in our Portuguese list, against #39,054 for "cisto". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "cacto" and "cisto".

  • Full dictionary entry for "cacto" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cisto" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #3,206 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "cacto" and "cisto" also get mixed up with nearby pairs, the highest-scored neighbour is "ciao vs cisto". 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 #3,206 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