acetylation
"acetylation" is a 11-letter English headword indexed on PlainSpell.
The verdict
“acetylation” is uncommon English (frequency #70,435 among 3,931 “A” headwords), classed as a noun. The kind of spelling people second-guess.
- #70,435
- frequency rank, English
- 3,931
- “A” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The reaction of a substance with acetic acid or one of its derivatives; the introduction of one or more acetyl groups into a substance.
Corpus desk
Index EN-acetylation · acetylation · English
acetylation · rank #70,435 · 0 variants · 0 confusables
- FREQ-RARE #70,435
- LEN-MEGA 11 letters
- VOW-6 6 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,931
- PHOTO-FINISH Achebe
Nearest frequency peer: Achebe (+1 rank slots)
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Long-tail ranks near “acetylation”
Sparse band: bars invert rank so rarer forms read shorter
- acetylation
acetylation
29,566 corpus weight
- Achebe
Achebe
29,565 corpus weight
- adjacency
adjacency
29,564 corpus weight
- Adonai
Adonai
29,563 corpus weight
- agressive
agressive
29,561 corpus weight
- Allu
Allu
29,556 corpus weight
What this shows Long-tail view: where “acetylation” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | acetylation |
| Language | English |
| Part of speech | Noun |
| Letters | 11 |
| Frequency rank | #70,435 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “acetylation” in English
Rare enough to double-check
acetylation is uncommon English at frequency #70,435 among 3,931 “A” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The reaction of a substance with acetic acid or one of its derivatives; the introduction of one or more acetyl groups into a substance.".
We couldn't generate a plausible misspelling set for acetylation, suggesting the orthography follows predictable English patterns. No confusable counterpart is on file for this word, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: From acetylate + -ion. The correct English form is acetylation, spelled A-C-E-T-Y-L-A-T-I-O-N.
Definition
- 1The reaction of a substance with acetic acid or one of its derivatives; the introduction of one or more acetyl groups into a substance.
Etymology
From acetylate + -ion.
Synonyms
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
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "acetylation", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 11 letters (nearest by frequency rank).