stomach acid

noun

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

The verdict

“stomach 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) - Synonym of gastric acid.

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

Where “stomach acid” sits in English frequency

stomach 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

stomach acid is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Synonym of gastric acid.".

Zero misspellings are on record for stomach acid in our index, since its letter pattern doesn't lend itself to common typo substitutions. We don't track a confusable pairing for this entry, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From stomach + acid. The correct English form is stomach acid, spelled S-T-O-M-A-C-H- -A-C-I-D.

Definition

  1. 1
    Synonym of gastric acid.

Etymology

From stomach + acid.

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 "stomach acid"?
"stomach acid" is spelled S-T-O-M-A-C-H- -A-C-I-D.
What does "stomach acid" mean?
As a noun, "stomach acid" means: Synonym of gastric acid.
What is the origin of the word "stomach acid"?
From stomach + acid. 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 “stomach acid”

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

  • The one correct English spelling is S-T-O-M-A-C-H- -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