Which to use
“ach” is a noun and “av” is a verb - they look or sound alike but fill different roles in a sentence.
- #30,673
- “ach” frequency rank
- #12,373
- “av” frequency rank
- 43046
- confusion score
Side-by-Side Comparison
| Feature | ach | av |
|---|---|---|
| Definition | Any of several species of plants, such as smallage, wild celery, parsley. | have |
Letter map: ach vs av
Shared letters muted; letters that set ach and av apart highlighted. Shared run: 1.
Part-of-speech tell for ach / av
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ach is anoun and avaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 43046, derived from the frequency rank of both members and their visual similarity.
ach is recorded at frequency rank #30,673, classified as anoun, pronounced /æt͡ʃ/. av is at rank #12,373, 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 43046, this pair ranks #243,695 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ach vs av
Shared letters: a. Private to "ach": ch. Private to "av": v.
"ach" · 3 letters · shape VCC · "av" · 2 letters · shape VC
Frequently Asked Questions
Can "ach" and "av" be used interchangeably?
Frequency check: "ach" vs "av" - which ranks higher?
Useful next steps
Done with this confusable. These links stay specific to "ach" and "av".
- Full dictionary entry for "ach" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "av" - compare definitions side by side with the headword page. Word entry
- This pair ranks #243,695 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ach" and "av" also get mixed up with nearby pairs, the highest-scored neighbour is "ach vs amb". Nearby pair
Confusion rank #243,695 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.