acme
/ˈæk.mi/
"acme" is a 4-letter English headword indexed on PlainSpell.
The verdict
“acme” is a moderately-common English word, ranked #33,104 in English word frequency and used as a noun.
- #33,104
- frequency rank, English
- 4
- letters
- 3
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - 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.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | acme |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈæk.mi/ |
| Letters | 4 |
| Frequency rank | #33,104 |
| Misspellings tracked | 3 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “acme” sits in English frequency
Spelling & Dictionary Insight
The English entry for acme is 4 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈæk.mi/. Corpus data places it at rank #33,104 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 6 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 3 likely wrong-spelling variants for acme, with forms such as "accme", "acem", and "acmme". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 20 confusable-pair relationships, "AM", "AE", "are", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
Etymologically, the entry records: Directly borrowed from Ancient Greek ἀκμή (akmḗ, “point, high point”). The correct English form is acme, spelled A-C-M-E.
Definition
- 1A high point: the highest point of any range, the most developed stage of any process, or the culmination of any field or historical period.
- 2A paragon: a person or thing representing such a high point.
- 3Full bloom or reproductive maturity.
- 4Sexual orgasm.
- 5Synonym of crisis, the decisive moment in the course of an illness.
- 6Alternative letter-case form of Acme, particularly as a threading format.
Etymology
Directly borrowed from Ancient Greek ἀκμή (akmḗ, “point, high point”).
This word in other languages
Common misspellings
Also misspelled as: accme,acem,acmme
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of acme - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "acme"?
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Using “acme”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is A-C-M-E - every other letter order is a misspelling in standard orthography.
- Say it as /ˈæk.mi/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “AM” - see the side-by-side comparison. acme vs AM
- Browse more English words and confusable pairs in the same reference. English words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.