Which to use
“cog” and “crag” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #28,496
- “cog” frequency rank
- #44,715
- “crag” frequency rank
- 73211
- confusion score
Side-by-Side Comparison
| Feature | cog | crag |
|---|---|---|
| Definition | A tooth on a gear. | A rocky outcrop; a rugged steep cliff or rock. |
Where the eye mixes cog and crag
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses cog with crag
A purely visual mix-up. cog (/kɒɡ/) and crag (/kɹæɡ/) 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 73211, derived from the frequency rank of both members and their visual similarity.
cog is recorded at frequency rank #28,496, classified as anoun, pronounced /kɒɡ/. crag is at rank #44,715, tagged as anoun, pronounced /kɹæɡ/.
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 73211, this pair ranks #40,394 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of cog vs crag
Shared letters: cg. Private to "cog": o. Private to "crag": ar.
"cog" · 3 letters · shape CVC · "crag" · 4 letters · shape CCVC
Known mistypes of this pair
- crag ← ccrag · cragg · crga · crrag · rcag
Frequently Asked Questions
Is swapping "cog" for "crag" ever safe?
In ordinary English text, does "cog" or "crag" show up more?
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 "cog" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "crag" - compare definitions side by side with the headword page. Word entry
- This pair ranks #40,394 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "cog" and "crag" also get mixed up with nearby pairs, the highest-scored neighbour is "crag vs Croat". 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 #40,394 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.