Which to use
“chug” and “cog” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #31,915
- “chug” frequency rank
- #28,496
- “cog” frequency rank
- 60411
- confusion score
Side-by-Side Comparison
| Feature | chug | cog |
|---|---|---|
| Definition | A dull, fairly quick explosive or percussive sound, as if made by a labouring engine. | A tooth on a gear. |
Where the eye mixes chug and cog
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: chug vs cog
A purely visual mix-up. chug (/t͡ʃʌɡ/) and cog (/kɒɡ/) 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 60411, derived from the frequency rank of both members and their visual similarity.
chug is recorded at frequency rank #31,915, classified as anoun, pronounced /t͡ʃʌɡ/. cog is at rank #28,496, tagged as anoun, pronounced /kɒɡ/.
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 60411, this pair ranks #100,347 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of chug vs cog
Shared letters: cg. Private to "chug": hu. Private to "cog": o.
"chug" · 4 letters · shape CCVC · "cog" · 3 letters · shape CVC
Known mistypes of this pair
- chug ← cchug · chgu · chhug · chugg · cuhg · hcug
Frequently Asked Questions
Is swapping "chug" for "cog" ever safe?
In ordinary English text, does "chug" or "cog" show up more?
After this comparison
Eye-level mix-up between "chug" and "cog" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "chug" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cog" - compare definitions side by side with the headword page. Word entry
- This pair ranks #100,347 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "chug" and "cog" also get mixed up with nearby pairs, the highest-scored neighbour is "chug vs chula". 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 #100,347 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.