cactovscustoConfusable pair

Which to use

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

#32,881
“cacto” frequency rank
#1,773
“custo” frequency rank
34654
confusion score

Side-by-Side Comparison

Feature cacto custo
Definition planta suculenta da família das cactáceas que apresenta de espinhos e é adaptada a climas áridos o quanto algo custa, o preço de algo

Where the eye mixes cacto and custo

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

5 ch
cacto
5 ch
custo

Why the eye confuses cacto with custo

A purely visual mix-up. cacto (/ˈkak.tu/) and custo (/ˈkuʃ.tu/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 34654, 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/. custo is at rank #1,773, tagged as anoun, pronounced /ˈkuʃ.tu/.

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 34654, this pair ranks #32,553 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cacto vs custo

Shared letters: cot. Private to "cacto": a. Private to "custo": su.

"cacto" · 5 letters · shape CVCCV  ·  "custo" · 5 letters · shape CVCCV

Known mistypes of this pair

  • cactoaccto · caccto · cacot · cactto · catco · ccacto · ccato
  • custoccusto · csuto · cusot · cussto · custto · cutso · ucsto

Frequently Asked Questions

Is swapping "cacto" for "custo" ever safe?
No. They are said differently (/ˈkak.tu/ versus /ˈkuʃ.tu/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "cacto" or "custo"?
"custo" is the more common of the two: it sits at frequency rank #1,773 in our Portuguese list, against #32,881 for "cacto". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "cacto" and "custo" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "cacto" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "custo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #32,553 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "cacto" and "custo" also get mixed up with nearby pairs, the highest-scored neighbour is "cacto vs cactus". 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 #32,553 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