acyl
/ˈæ.sɪl/noun
acyl is spelled A-C-Y-L: 4 letters and 2 syllables. It appears about once in every 3 million words in written English, the 54,192nd most frequent word form (wordfreq, 2021 data). As a noun, acyl means “Any of class of organic radicals, RCO-, formed by the removal of a hydroxyl group from a carboxylic acid” (English Wiktionary, September 2026). The plural of acyl is acyls.
How many letters and syllables are in acyl?
| Letters | 4: A-C-Y-L |
|---|---|
| Syllables | 2 (from its pronunciation) |
| In writing | about once in every 3 million words; the 54,192nd most frequent word form |
| Wrong spellings searched | none measured in search |
| Same letters |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is acyl?
Acyl appears about once in every 3 million words in written English, the 54,192nd most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce acyl?
- US /ˈæ.sɪl/
- US /ˈeɪ.saɪl/
Acyl has 2 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-acyl.wav, LL-Q1860_(eng)-Vealhurl-acyl2.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with acyl?
No other word on PlainSpell ends in the same sounds as acyl (/æsɪl/).
Spelled with the same letters in another order: clay, lacy.
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of acyl
- acyls plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does acyl mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Any of class of organic radicals, RCO-, formed by the removal of a hydroxyl group from a carboxylic acid.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Acyl in Spanish, French, German and Portuguese
In the sense any of a class of organic radicals:
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does acyl come from?
Ultimately from Latin ac(eō) + -yl.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).