Arch vs auch, What's the Difference?

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 spellings diverge

Shared letters are muted; the letters that actually set Arch and auch apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

4 ch

Arch

4 ch

auch

Spelling & Dictionary Insight

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

Arch ← acrh · arcch · archh · arhc · arrch · rach
auch ← acuh · aucch · auchh · auhc · uach

Frequency comparison

Arch#30,760

auch#46,349

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "Arch" and "auch" be used interchangeably?

No - they are not even the same part of speech. "Arch" is a name and "auch" an intj, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "Arch" or "auch"?

"Arch" is the more common of the two: it sits at frequency rank #30,760 in our Spanish list, against #46,349 for "auch". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering Arch vs auch

The fastest way to pick the right one every time.

Check the role first: if you need a name, it's “Arch”; for an intj, it's “auch”.
See each word in full, definition, IPA, etymology and its other confusables. Full “Arch” entry
Browse more pairs most likely to be confused. Most confusable