Which to use
“arco” is an adverb and “ark” is a noun - they look or sound alike but fill different roles in a sentence.
- #49,190
- “arco” frequency rank
- #10,324
- “ark” frequency rank
- 59514
- confusion score
Side-by-Side Comparison
| Feature | arco | ark |
|---|---|---|
| Definition | 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. | A large box with a flat lid. |
Letter map: arco vs ark
Shared letters muted; letters that set arco and ark apart highlighted. Shared run: 2.
Spelling & Dictionary Insight
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: arco is anadverb and arkanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 59514, derived from the frequency rank of both members and their visual similarity.
arco is recorded at frequency rank #49,190, classified as anadv. ark is at rank #10,324, tagged as anoun, pronounced /ɑːk/.
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 59514, this pair ranks #105,673 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of arco vs ark
Shared letters: ar. Private to "arco": co. Private to "ark": k.
"arco" · 4 letters · shape VCCV · "ark" · 3 letters · shape VCC
Known mistypes of this pair
- arco ← arcco · aroc · arrco · raco