pneumonia

/njuˈməʊniə/

//njuˈməʊniə// noun

By · According to Wiktionary data (CC BY-SA) ·

"pneumonia" is a 9-letter English headword indexed on PlainSpell.

The verdict

“pneumonia” has 12 generated spelling variants in the English index at frequency #10,590. The variants make it a useful spelling check.

#10,590
frequency rank, English
4,417
“P” headwords
12
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Inflammation of the lungs caused by viruses, bacteria or other infectious microorganisms.

Corpus desk

Index EN-pneumonia · pneumonia · English

pneumonia · rank #10,590 · 12 variants · 0 confusables

  • FREQ-MID #10,590
  • LEN-LONG 9 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-MID 12 variants
  • BOOK-MID 4,417
  • PHOTO-FINISH phenomena

Nearest frequency peer: phenomena (-1 rank slots)

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.

Rank peers near misspelling magnet “pneumonia”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “pneumonia” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for pneumonia
PropertyValue
Headwordpneumonia
LanguageEnglish
Part of speechNoun
IPA/njuˈməʊniə/
Letters9
Frequency rank#10,590
Misspellings tracked12
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “pneumonia”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).pneumonialands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “phenomena” (#10,589), “policeman” (#10,591), “Payne” (#10,588). Among 4,417 “P” headwords, “pneumonia” is #10,590. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 12 spelling variants around pneumonia (IPA /njuˈməʊniə/), anoun. Corpus frequency is #10,590 among 4,417 “P” headwords. Dominant gloss: "Inflammation of the lungs caused by viruses, bacteria or other infectious microorganisms.".

Our generated misspelling index lists 12 likely wrong-spelling variants for pneumonia, with forms such as "npeumonia", "penumonia", and "pnemuonia". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. This headword has no recorded confusable partner, 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 πνευμονία (pneumonía, “lung disease”), from πνεύμων (pneúmōn, “lung”) + -ία (-ía). The correct English form is pneumonia, spelled P-N-E-U-M-O-N-I-A.

Definition

  1. 1
    Inflammation of the lungs caused by viruses, bacteria or other infectious microorganisms.

Recorded use

Wiktionary example

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

  1. He had always been remarkably immune from such little ailments, and had only once in his life been ill, of a vicious pneumonia long ago at school.

Etymology

From Ancient Greek πνευμονία (pneumonía, “lung disease”), from πνεύμων (pneúmōn, “lung”) + -ία (-ía).

This word in other languages

pulmonía(Español)pneumonie(Français)Lungenentzündung(Deutsch)

Common misspellings

Also misspelled as:

  • npeumonia
  • penumonia
  • pnemuonia
  • pneummonia
  • pneumnoia
  • pneumoina
  • pneumonai
  • pneumonnia
  • pneuomnia
  • pnneumonia
  • pnuemonia
  • ppneumonia

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of pneumonia - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

npeumonia2penumonia2pnemuonia2pneummonia1pneumnoia2pneumoina2pneumonai2pneumonnia1
Edit distance from "pneumonia"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "pneumonia"?
"pneumonia" is spelled P-N-E-U-M-O-N-I-A. The IPA pronunciation is /njuˈməʊniə/.
What does "pneumonia" mean?
As a noun, "pneumonia" means: Inflammation of the lungs caused by viruses, bacteria or other infectious microorganisms.
What are common misspellings of "pneumonia"?
Common misspellings include "npeumonia", "penumonia", "pnemuonia", "pneummonia", "pneumnoia". The correct spelling is "pneumonia".
How do you pronounce "pneumonia"?
The IPA (International Phonetic Alphabet) transcription for "pneumonia" is /njuˈməʊniə/. 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 "pneumonia"?
From Ancient Greek πνευμονία (pneumonía, “lung disease”), from πνεύμων (pneúmōn, “lung”) + -ία (-ía). 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "pneumonia", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

phenomena#10,589policeman#10,591preceding#10,594storyline#10,613

Similar misspelling depth

Headwords with a similar count of attested misspellings (12 here; floor ≥5).

reverend12 variantsMcCarthy12 variantssingular12 variantsjewellery12 variants

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

Source: FrequencyWords open word-frequency list