Which to use
“allo” is an adjective and “arco” is an adverb - they look or sound alike but fill different roles in a sentence.
- #40,110
- “allo” frequency rank
- #49,190
- “arco” frequency rank
- 89300
- confusion score
Side-by-Side Comparison
| Feature | allo | arco |
|---|---|---|
| Definition | Allosexual and/or alloromantic; experiencing sexual and/or romantic attraction. | A note in string instrument musical notation indicating that the bow is to be used in the usual way, usually following a passage that is played pizzicato. |
Letter map: allo vs arco
Shared letters muted; letters that set allo and arco apart highlighted. Shared run: 2. allo and arco follow the identical consonant-vowel pattern (VCCV). Same shape at a glance is often the real trap, independent of shared letters.
Role in the sentence - allo and arco
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: allo is anadjective and arcoanadverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 89300, derived from the frequency rank of both members and their visual similarity.
allo is recorded at frequency rank #40,110, classified as anadj, pronounced /ˈæ.ləʊ/. arco is at rank #49,190, tagged as anadv.
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 89300, this pair ranks #5,348 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of allo vs arco
Shared letters: ao. Private to "allo": l. Private to "arco": cr.
"allo" · 4 letters · shape VCCV · "arco" · 4 letters · shape VCCV
Known mistypes of this pair
Frequently Asked Questions
Can "allo" and "arco" be used interchangeably?
Frequency check: "allo" vs "arco" - which ranks higher?
After this comparison
Pair "allo" vs "arco" is on the table, pick a follow-up below.
- Full dictionary entry for "allo" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "arco" - compare definitions side by side with the headword page. Word entry
- This pair ranks #5,348 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "allo" and "arco" also get mixed up with nearby pairs, the highest-scored neighbour is "algo vs arco". 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 #5,348 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.