Which to use
“arc” and “aura” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #5,005
- “arc” frequency rank
- #14,468
- “aura” frequency rank
- 19473
- confusion score
Side-by-Side Comparison
| Feature | arc | aura |
|---|---|---|
| Definition | That part of a circle which a heavenly body appears to pass through as it moves above and below the horizon. | A subtle emanation or exhalation of any substance, such as an aroma or odour. |
Where the spellings diverge
Shared letters are muted; the letters that actually set arc and aura apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
arc and aura form a confusable pair in the English index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 19473, derived from the frequency rank of both members and their visual similarity.
arc is recorded at frequency rank #5,005, classified as anoun, pronounced /ɑːk/. aura is at rank #14,468, tagged as anoun, pronounced /ˈɔː.ɹə/.
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 19473, this pair ranks #437,937 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Frequency comparison
Frequently Asked Questions
Can "arc" and "aura" be used interchangeably?
Remembering arc vs aura
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “arc” entry
- Browse more pairs most likely to be confused. Most confusable