Which to use
“coins” and “cos” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #4,588
- “coins” frequency rank
- #6,553
- “cos” frequency rank
- 11141
- confusion score
Side-by-Side Comparison
| Feature | coins | cos |
|---|---|---|
| Definition | plural of coin | Synonym of romaine lettuce, a long-leaved variety of lettuce. |
Where the eye mixes coins and cos
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses coins with cos
A purely visual mix-up. coins (/kɔɪnz/) and cos (/kɑs/) 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 11141, derived from the frequency rank of both members and their visual similarity.
coins is recorded at frequency rank #4,588, classified as anoun, pronounced /kɔɪnz/. cos is at rank #6,553, tagged as anoun, pronounced /kɑs/.
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 11141, this pair ranks #488,681 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of coins vs cos
Shared letters: cos. Private to "coins": in. Private to "cos": -.
"coins" · 5 letters · shape CVVCC · "cos" · 3 letters · shape CVC
Known mistypes of this pair
- coins ← ccoins · cions · coinns · coinss · coisn · conis · ocins
Frequently Asked Questions
Do "coins" and "cos" mean the same thing in a sentence?
Frequency check: "coins" vs "cos" - which ranks higher?
After this comparison
Eye-level mix-up between "coins" and "cos" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "coins" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cos" - compare definitions side by side with the headword page. Word entry
- This pair ranks #488,681 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "coins" and "cos" also get mixed up with nearby pairs, the highest-scored neighbour is "CGT vs cos". 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 #488,681 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.