Which to use
“stack” and “stays” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #6,626
- “stack” frequency rank
- #4,635
- “stays” frequency rank
- 11261
- confusion score
Side-by-Side Comparison
| Feature | stack | stays |
|---|---|---|
| Definition | A pile. | plural of stay |
Where the eye mixes stack and stays
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Look-alike desk: stack vs stays
A purely visual mix-up. stack (/stæk/) and stays (/steɪz/) 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 11261, derived from the frequency rank of both members and their visual similarity.
stack is recorded at frequency rank #6,626, classified as anoun, pronounced /stæk/. stays is at rank #4,635, tagged as anoun, pronounced /steɪz/.
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 11261, this pair ranks #488,006 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of stack vs stays
Shared letters: ast. Private to "stack": ck. Private to "stays": y.
"stack" · 5 letters · shape CCVCC · "stays" · 5 letters · shape CCVVC
Known mistypes of this pair
Frequently Asked Questions
Do "stack" and "stays" mean the same thing in a sentence?
Which is more common, "stack" or "stays"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "stack" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "stays" - compare definitions side by side with the headword page. Word entry
- This pair ranks #488,006 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "stack" and "stays" also get mixed up with nearby pairs, the highest-scored neighbour is "stack vs staph". 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 #488,006 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.