Which to use
“ACK” is a verb and “acme” is a noun - they look or sound alike but fill different roles in a sentence.
- #33,924
- “ACK” frequency rank
- #33,104
- “acme” frequency rank
- 67028
- confusion score
Side-by-Side Comparison
| Feature | ACK | acme |
|---|---|---|
| Definition | To acknowledge a packet or a message received from a network. | A high point: the highest point of any range, the most developed stage of any process, or the culmination of any field or historical period. |
Where the spellings diverge
Shared letters are muted; the letters that actually set ACK and acme apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ACK is averb and acmeanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 67028, derived from the frequency rank of both members and their visual similarity.
ACK is recorded at frequency rank #33,924, classified as averb. acme is at rank #33,104, tagged as anoun, pronounced /ˈæk.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 67028, this pair ranks #65,303 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of ACK vs acme
Shared letters: ac. Private to "ACK": k. Private to "acme": em.
"ACK" · 3 letters · shape VCC · "acme" · 4 letters · shape VCCV
Known mistypes of this pair
- acme ← accme · acem · acmme
Frequency comparison
Frequently Asked Questions
Can "ACK" and "acme" be used interchangeably?
Which is more common, "ACK" or "acme"?
Remembering ACK vs acme
The fastest way to pick the right one every time.
- Check the role first: if you need a verb, it's “ACK”; for a noun, it's “acme”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “ACK” entry
- Browse more pairs most likely to be confused. Most confusable