Which to use
“sewer” is a noun and “swear” is a verb - they look or sound alike but fill different roles in a sentence.
- #12,324
- “sewer” frequency rank
- #2,968
- “swear” frequency rank
- 15292
- confusion score
Side-by-Side Comparison
| Feature | sewer | swear |
|---|---|---|
| Definition | A pipe or channel, or system of pipes or channels, used to remove human waste and to provide drainage. | To take an oath, to promise intensely, solemnly, and/or with legally binding effect. |
Where the eye mixes sewer and swear
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Look-alike desk: sewer vs swear
These two trip readers on the page rather than in the ear: sewer is /ˈs(j)uːə/ while swear is /ˈswɛə(ɹ)/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 15292, derived from the frequency rank of both members and their visual similarity.
sewer is recorded at frequency rank #12,324, classified as anoun, pronounced /ˈs(j)uːə/. swear is at rank #2,968, tagged as averb, pronounced /ˈswɛə(ɹ)/.
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 15292, this pair ranks #464,906 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of sewer vs swear
Shared letters: ersw. Private to "sewer": -. Private to "swear": a.
"sewer" · 5 letters · shape CVCVC · "swear" · 5 letters · shape CCVVC
Known mistypes of this pair
Frequently Asked Questions
Do "sewer" and "swear" mean the same thing in a sentence?
In ordinary English text, does "sewer" or "swear" show up more?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "sewer" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "swear" - compare definitions side by side with the headword page. Word entry
- This pair ranks #464,906 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "sewer" and "swear" also get mixed up with nearby pairs, the highest-scored neighbour is "Seager vs sewer". 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 #464,906 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.