Which to use
“slack” and “stock” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #11,118
- “slack” frequency rank
- #1,255
- “stock” frequency rank
- 12373
- confusion score
Side-by-Side Comparison
| Feature | slack | stock |
|---|---|---|
| Definition | The part of anything that hangs loose, having no strain upon it. | A store or supply. |
Where the eye mixes slack and stock
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Look-alike desk: slack vs stock
A purely visual mix-up. slack (/slæk/) and stock (/stɒk/) 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 12373, derived from the frequency rank of both members and their visual similarity.
slack is recorded at frequency rank #11,118, classified as anoun, pronounced /slæk/. stock is at rank #1,255, tagged as anoun, pronounced /stɒk/.
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 12373, this pair ranks #481,939 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of slack vs stock
Shared letters: cks. Private to "slack": al. Private to "stock": ot.
"slack" · 5 letters · shape CCVCC · "stock" · 5 letters · shape CCVCC
Known mistypes of this pair
Frequently Asked Questions
Do "slack" and "stock" mean the same thing in a sentence?
Which is more common, "slack" or "stock"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "slack" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "stock" - compare definitions side by side with the headword page. Word entry
- This pair ranks #481,939 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "slack" and "stock" also get mixed up with nearby pairs, the highest-scored neighbour is "slack vs smock". 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 #481,939 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.