butyric acid

noun

"butyric-acid" is a 11-letter English headword indexed on PlainSpell.

The verdict

“butyric acid” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
12
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Either of the two isomeric carboxylic acids, normal butyric acid and isobutyric acid, with the chemical formula C₃H₇COOH, occurring in animal milk fat.

Key facts for butyric acid
PropertyValue
Headwordbutyric acid
LanguageEnglish
Part of speechNoun
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “butyric acid” sits in English frequency

butyric acid falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

butyric acid is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

The misspelling generator found no plausible variants for butyric acid, since its letter pattern doesn't lend itself to common typo substitutions. No close-neighbour confusable shows up for this headword in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From Ancient Greek βούτυρος (boúturos, “butter”), from which it can be isolated. The correct English form is butyric acid, spelled B-U-T-Y-R-I-C- -A-C-I-D.

Definition

  1. 1
    Either of the two isomeric carboxylic acids, normal butyric acid and isobutyric acid, with the chemical formula C₃H₇COOH, occurring in animal milk fat.
  2. 2
    Solely the straight chain isomer of the above, normal butyric acid or n-butyric acid, CH₃(CH₂)₂COOH, a short chain fatty acid; its glyceride is one of the principal components of the flavour of butter.

Etymology

From Ancient Greek βούτυρος (boúturos, “butter”), from which it can be isolated.

Synonyms

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "butyric acid"?
"butyric acid" is spelled B-U-T-Y-R-I-C- -A-C-I-D.
What does "butyric acid" mean?
As a noun, "butyric acid" means: Either of the two isomeric carboxylic acids, normal butyric acid and isobutyric acid, with the chemical formula C₃H₇COOH, occurring in animal milk fat.
What is the origin of the word "butyric acid"?
From Ancient Greek βούτυρος (boúturos, “butter”), from which it can be isolated. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “butyric acid”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is B-U-T-Y-R-I-C- -A-C-I-D - every other letter order is a misspelling in standard orthography.
  • 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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list