Which to use
“sac” and “stack” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #23,816
- “sac” frequency rank
- #38,497
- “stack” frequency rank
- 62313
- confusion score
Side-by-Side Comparison
| Feature | sac | stack |
|---|---|---|
| Definition | saco, bolsa | acúmulo, especialmente organizado no eixo vertical; pilha |
Where the eye mixes sac and stack
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Look-alike desk: sac vs stack
A purely visual mix-up. sac (\sak\) 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 2 letter(s) in length. Our composite confusion score for this pair is 62313, derived from the frequency rank of both members and their visual similarity.
sac is recorded at frequency rank #23,816, classified as anoun, pronounced \sak\. 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 62313, this pair ranks #6,734 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of sac vs stack
Shared letters: acs. Private to "sac": -. Private to "stack": kt.
"sac" · 3 letters · shape CVC · "stack" · 5 letters · shape CCVCC
Known mistypes of this pair
- stack ← satck · sstack · stacck · stackk · stakc · stcak · sttack · tsack
Frequently Asked Questions
Do "sac" and "stack" mean the same thing in a sentence?
Frequency check: "sac" vs "stack" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "sac" 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 #6,734 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "sac" 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 #6,734 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.