Which to use
“ah” is an intj and “arch” is a verb - they look or sound alike but fill different roles in a sentence.
- #640
- “ah” frequency rank
- #35,879
- “arch” frequency rank
- 36519
- confusion score
Side-by-Side Comparison
| Feature | ah | arch |
|---|---|---|
| Definition | exprime admiração | arquear, tomar a forma de um arco |
Letter map: ah vs arch
Shared letters muted; letters that set ah and arch apart highlighted. Shared run: 2.
Role in the sentence - ah and arch
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ah is anintj and archaverb. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 36519, derived from the frequency rank of both members and their visual similarity.
ah is recorded at frequency rank #640, classified as anintj. arch is at rank #35,879, tagged as averb.
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 36519, this pair ranks #30,277 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ah vs arch
Shared letters: ah. Private to "ah": -. Private to "arch": cr.
"ah" · 2 letters · shape VC · "arch" · 4 letters · shape VCCC
Known mistypes of this pair
- arch ← acrh · arcch · archh · arhc · arrch · rach
Frequently Asked Questions
Do "ah" and "arch" mean the same thing in a sentence?
In ordinary Portuguese text, does "ah" or "arch" show up more?
What to do next
Pair "ah" vs "arch" is on the table, pick a follow-up below.
- Full dictionary entry for "ah" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "arch" - compare definitions side by side with the headword page. Word entry
- This pair ranks #30,277 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ah" and "arch" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs arch". 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 #30,277 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.