Which to use
“coms” and “cos” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #48,668
- “coms” frequency rank
- #6,553
- “cos” frequency rank
- 55221
- confusion score
Side-by-Side Comparison
| Feature | coms | cos |
|---|---|---|
| Definition | Combinations (underwear). | Synonym of romaine lettuce, a long-leaved variety of lettuce. |
Letter map: coms vs cos
Shared letters muted; letters that set coms and cos apart highlighted. Shared run: 3.
Corpus notes: coms and cos
coms and cos 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 55221, derived from the frequency rank of both members and their visual similarity.
coms is recorded at frequency rank #48,668, classified as anoun. 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 55221, this pair ranks #135,234 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of coms vs cos
Shared letters: cos. Private to "coms": m. Private to "cos": -.
"coms" · 4 letters · shape CVCC · "cos" · 3 letters · shape CVC
Known mistypes of this pair
- coms ← ccoms · comms · comss · cosm · ocms
Frequently Asked Questions
Is swapping "coms" for "cos" ever safe?
Frequency check: "coms" vs "cos" - which ranks higher?
What to do next
You've compared "coms" and "cos". Here's where to go from here.
- Full dictionary entry for "coms" 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 #135,234 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "coms" and "cos" 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 #135,234 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.