pneumococcal
"pneumococcal" is a 12-letter English headword indexed on PlainSpell.
The verdict
“pneumococcal” is uncommon English (frequency #71,798 among 46,516 “P” headwords), classed as an adjective. The kind of spelling people second-guess.
- #71,798
- frequency rank, English
- 46,516
- “P” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Of, pertaining to or caused by a pneumococcus bacterium
Corpus desk
Index EN-pneumococcal · pneumococcal · English
pneumococcal · rank #71,798 · 0 variants · 0 confusables
- FREQ-RARE #71,798
- LEN-MEGA 12 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 46,516
- PHOTO-FINISH plutocracy
Nearest frequency peer: plutocracy (-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.
Frequency neighbourhood for “pneumococcal”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- pluralist
pluralist
28,205 corpus weight
- plutocracy
plutocracy
28,204 corpus weight
- pneumococcal
pneumococcal
28,203 corpus weight
- podcaster
podcaster
28,202 corpus weight
- pola
pola
28,201 corpus weight
- politicize
politicize
28,199 corpus weight
What this shows Bars show where “pneumococcal” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | pneumococcal |
| Language | English |
| Part of speech | Adjective |
| Letters | 12 |
| Frequency rank | #71,798 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “pneumococcal” sits in English frequency
Rare enough to double-check
pneumococcal is uncommon English at frequency #71,798 among 46,516 “P” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Of, pertaining to or caused by a pneumococcus bacterium".
Zero misspellings are on record for pneumococcal in our index, since its letter sequence doesn't invite the usual edit-distance slips. Our dataset records no confusable match here, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: From pneumococcus + -al. The correct English form is pneumococcal, spelled P-N-E-U-M-O-C-O-C-C-A-L.
Definition
- 1Of, pertaining to or caused by a pneumococcus bacterium
Etymology
From pneumococcus + -al.
Synonyms
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.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "pneumococcal", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 12 letters (nearest by frequency rank).
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.