Which to use
“Arch” is a name and “auch” is an intj - they look or sound alike but fill different roles in a sentence.
- #30,760
- “Arch” frequency rank
- #46,349
- “auch” frequency rank
- 77109
- confusion score
Side-by-Side Comparison
| Feature | Arch | auch |
|---|---|---|
| Definition | Apellido. | Indica dolor físico propio o empatía con el dolor de otro. |
Where the eye mixes Arch and auch
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. Arch (VCCC) and auch (VVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: Arch vs auch
These two trip readers on the page rather than in the ear: Arch is [ˈaɾt͡ʃ] while auch is [ˈawt͡ʃ]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - r in “Arch” becomes u in “auch”, and the parts of speech differ too (name vs intj), which is usually the fastest check. Our composite confusion score for this pair is 77109, derived from the frequency rank of both members and their visual similarity.
Arch is recorded at frequency rank #30,760, classified as aname, pronounced [ˈaɾt͡ʃ]. auch is at rank #46,349, tagged as anintj, pronounced [ˈawt͡ʃ].
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 77109, this pair ranks #16,567 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of Arch vs auch
Shared letters: ach. Private to "Arch": r. Private to "auch": u.
"Arch" · 4 letters · shape VCCC · "auch" · 4 letters · shape VVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "Arch" for "auch" ever safe?
Which is more common, "Arch" or "auch"?
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 "Arch" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "auch" - compare definitions side by side with the headword page. Word entry
- This pair ranks #16,567 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "Arch" and "auch" also get mixed up with nearby pairs, the highest-scored neighbour is "auch vs aut". 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 #16,567 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.