Which to use
“cog” and “coms” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #28,496
- “cog” frequency rank
- #48,668
- “coms” frequency rank
- 77164
- confusion score
Side-by-Side Comparison
| Feature | cog | coms |
|---|---|---|
| Definition | A tooth on a gear. | Combinations (underwear). |
Letter map: cog vs coms
Shared letters muted; letters that set cog and coms apart highlighted. Shared run: 2. cog runs 3 letters (CVC) against coms's 4 (CVCC) - the length gap alone is often enough to separate them once you know to check it.
Spelling & dictionary notes on cog vs coms
cog and coms are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 77164, 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/. coms is at rank #48,668, tagged as anoun.
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 77164, this pair ranks #28,016 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of cog vs coms
Shared letters: co. Private to "cog": g. Private to "coms": ms.
"cog" · 3 letters · shape CVC · "coms" · 4 letters · shape CVCC
Known mistypes of this pair
- coms ← ccoms · comms · comss · cosm · ocms
Frequently Asked Questions
Do "cog" and "coms" mean the same thing in a sentence?
Which is more common, "cog" or "coms"?
What to do next
Pair "cog" vs "coms" is on the table, pick a follow-up below.
- Full dictionary entry for "cog" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "coms" - compare definitions side by side with the headword page. Word entry
- This pair ranks #28,016 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "cog" and "coms" also get mixed up with nearby pairs, the highest-scored neighbour is "cami vs coms". 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 #28,016 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.