gastro-

/ˈɡæstɹəʊ-/

//ˈɡæstɹəʊ-// prefix

"gastro" is a 6-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Of or relating to the stomach.

Corpus desk

Index EN-gastro · gastro- · English

gastro- · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "G" thin
  • PHOTO-UNK Peer pending

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.

Key facts for gastro-
PropertyValue
Headwordgastro-
LanguageEnglish
Part of speechPrefix
IPA/ˈɡæstɹəʊ-/
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “gastro-” in English

gastro-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

gastro- is uncommon English outside the top frequency list, classed as aprefix, transcribed /ˈɡæstɹəʊ-/. Rarity is why readers land here mid-draft. 2 senses are on record.

Our edit-distance generator produced no likely misspellings for gastro-, which points to an orthography that plays by predictable English rules. We don't track a confusable pairing for this entry, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: Coined based on Ancient Greek γαστήρ (gastḗr, “stomach”). The correct English form is gastro-, spelled G-A-S-T-R-O--.

Definition

  1. 1
    Of or relating to the stomach.
  2. 2
    Of or relating to cooking.

Recorded use

Wiktionary examples

These source excerpts show how gastro- appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. gastroenteritis
  2. gastrointestinal

Etymology

Coined based on Ancient Greek γαστήρ (gastḗr, “stomach”).

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 "gastro-"?
"gastro-" is spelled G-A-S-T-R-O--. The IPA pronunciation is /ˈɡæstɹəʊ-/.
What does "gastro-" mean?
As a prefix, "gastro-" means: Of or relating to the stomach.
How do you pronounce "gastro-"?
The IPA (International Phonetic Alphabet) transcription for "gastro-" is /ˈɡæstɹəʊ-/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "gastro-"?
Coined based on Ancient Greek γαστήρ (gastḗr, “stomach”). 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.

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

Source: FrequencyWords open word-frequency list