Which to use
“arch” is a verb and “army” is a noun - they look or sound alike but fill different roles in a sentence.
- #35,879
- “arch” frequency rank
- #7,594
- “army” frequency rank
- 43473
- confusion score
Side-by-Side Comparison
| Feature | arch | army |
|---|---|---|
| Definition | arquear, tomar a forma de um arco | forças armadas |
Letter map: arch vs army
Shared letters muted; letters that set arch and army apart highlighted. Shared run: 2.
Role in the sentence - arch and army
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: arch is averb and armyanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 43473, derived from the frequency rank of both members and their visual similarity.
arch is recorded at frequency rank #35,879, classified as averb. army is at rank #7,594, tagged as anoun, pronounced /ˈɑɹ.mi/.
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 43473, this pair ranks #22,161 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of arch vs army
Shared letters: ar. Private to "arch": ch. Private to "army": my.
"arch" · 4 letters · shape VCCC · "army" · 4 letters · shape VCCV
Known mistypes of this pair
Frequently Asked Questions
Can "arch" and "army" be used interchangeably?
Frequency check: "arch" vs "army" - which ranks higher?
What to do next
Pair "arch" vs "army" is on the table, pick a follow-up below.
- Full dictionary entry for "arch" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "army" - compare definitions side by side with the headword page. Word entry
- This pair ranks #22,161 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "arch" and "army" 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 #22,161 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.