sacavsstackTell them apart

Which to use

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

#15,678
“saca” frequency rank
#38,497
“stack” frequency rank
54175
confusion score

Side-by-Side Comparison

Feature saca stack
Definition ato de sacar acúmulo, especialmente organizado no eixo vertical; pilha

Where the eye mixes saca and stack

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

4 ch
saca
5 ch
stack

Why the eye confuses saca with stack

A purely visual mix-up. saca (/ˈsa.kɐ/) and stack (/stæk/) 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 54175, derived from the frequency rank of both members and their visual similarity.

saca is recorded at frequency rank #15,678, classified as anoun, pronounced /ˈsa.kɐ/. stack is at rank #38,497, tagged as anoun, pronounced /stæk/.

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 54175, this pair ranks #11,478 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of saca vs stack

Shared letters: acs. Private to "saca": -. Private to "stack": kt.

"saca" · 4 letters · shape CVCV  ·  "stack" · 5 letters · shape CCVCC

Known mistypes of this pair

  • sacaasca · saac · sacca · scaa · ssaca
  • stacksatck · sstack · stacck · stackk · stakc · stcak · sttack · tsack

Frequently Asked Questions

Can "saca" and "stack" be used interchangeably?
No. They are said differently (/ˈsa.kɐ/ versus /stæk/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "saca" or "stack" show up more?
"saca" is the more common of the two: it sits at frequency rank #15,678 in our Portuguese list, against #38,497 for "stack". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "saca" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "stack" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #11,478 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "saca" and "stack" also get mixed up with nearby pairs, the highest-scored neighbour is "spark vs stack". 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 #11,478 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