pyrosis

/paɪˈɹoʊsɪs/

//paɪˈɹoʊsɪs// noun

"pyrosis" is a 7-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A burning sensation in the chest due to reflux of stomach contents in the esophagus.

Key facts for pyrosis
PropertyValue
Headwordpyrosis
LanguageEnglish
Part of speechNoun
IPA/paɪˈɹoʊsɪs/
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “pyrosis” sits in English frequency

pyrosis 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

pyrosis is uncommon English outside the top frequency list, classed as anoun, transcribed /paɪˈɹoʊsɪs/. Rarity is why readers land here mid-draft. Gloss: "A burning sensation in the chest due to reflux of stomach contents in the esophagus.".

No misspelling variants are generated for pyrosis in our index, a sign its spelling follows regular English conventions. No close-neighbour confusable shows up for this headword in our dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From Ancient Greek πύρωσις (púrōsis, “burning”), from πῦρ (pûr, “fire”) + -σις (-sis, verbal noun suffix). The correct English form is pyrosis, spelled P-Y-R-O-S-I-S.

Definition

  1. 1
    A burning sensation in the chest due to reflux of stomach contents in the esophagus.

Etymology

From Ancient Greek πύρωσις (púrōsis, “burning”), from πῦρ (pûr, “fire”) + -σις (-sis, verbal noun suffix).

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 "pyrosis"?
"pyrosis" is spelled P-Y-R-O-S-I-S. The IPA pronunciation is /paɪˈɹoʊsɪs/.
What does "pyrosis" mean?
As a noun, "pyrosis" means: A burning sensation in the chest due to reflux of stomach contents in the esophagus.
How do you pronounce "pyrosis"?
The IPA (International Phonetic Alphabet) transcription for "pyrosis" is /paɪˈɹoʊsɪs/. 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 "pyrosis"?
From Ancient Greek πύρωσις (púrōsis, “burning”), from πῦρ (pûr, “fire”) + -σις (-sis, verbal noun suffix). 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 “pyrosis”

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

  • The one correct English spelling is P-Y-R-O-S-I-S - every other letter order is a misspelling in standard orthography.
  • Say it as /paɪˈɹoʊsɪs/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • 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