Which to use
“arched” is an adjective and “arsed” is a verb - they look or sound alike but fill different roles in a sentence.
- #21,137
- “arched” frequency rank
- #41,002
- “arsed” frequency rank
- 62139
- confusion score
Side-by-Side Comparison
| Feature | arched | arsed |
|---|---|---|
| Definition | Curved. | simple past and past participle of arse. |
Where the eye mixes arched and arsed
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. arched runs 6 letters (VCCCVC) against arsed's 5 (VCCVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between arched and arsed
These two trip readers on the page rather than in the ear: arched is /ɑɹt͡ʃt/ while arsed is /ɑːst/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 62139, derived from the frequency rank of both members and their visual similarity.
arched is recorded at frequency rank #21,137, classified as anadj, pronounced /ɑɹt͡ʃt/. arsed is at rank #41,002, tagged as averb, pronounced /ɑːst/.
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 62139, this pair ranks #90,184 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of arched vs arsed
Shared letters: ader. Private to "arched": ch. Private to "arsed": s.
"arched" · 6 letters · shape VCCCVC · "arsed" · 5 letters · shape VCCVC
Known mistypes of this pair
Frequently Asked Questions
Do "arched" and "arsed" mean the same thing in a sentence?
Frequency check: "arched" vs "arsed" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "arched" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "arsed" - compare definitions side by side with the headword page. Word entry
- This pair ranks #90,184 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "arched" and "arsed" also get mixed up with nearby pairs, the highest-scored neighbour is "aced vs arsed". 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 #90,184 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.