plasminogen
"plasminogen" is a 11-letter English headword indexed on PlainSpell.
The verdict
“plasminogen” is uncommon English (frequency #90,847 among 46,516 “P” headwords), classed as a noun. The kind of spelling people second-guess.
- #90,847
- frequency rank, English
- 46,516
- “P” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The inactive precursor to plasmin; profibrinolysin
Corpus desk
Index EN-plasminogen · plasminogen · English
plasminogen · rank #90,847 · 0 variants · 0 confusables
- FREQ-RARE #90,847
- LEN-MEGA 11 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 46,516
- PHOTO-FINISH Placentia
Nearest frequency peer: Placentia (-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 “plasminogen”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- pierogi
pierogi
9,159 corpus weight
- pined
pined
9,157 corpus weight
- Placentia
Placentia
9,155 corpus weight
- plasminogen
plasminogen
9,154 corpus weight
- Polyphemus
Polyphemus
9,150 corpus weight
- pomposity
pomposity
9,149 corpus weight
What this shows Bars show where “plasminogen” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | plasminogen |
| Language | English |
| Part of speech | Noun |
| Letters | 11 |
| Frequency rank | #90,847 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “plasminogen” sits in English frequency
Rare enough to double-check
plasminogen is uncommon English at frequency #90,847 among 46,516 “P” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The inactive precursor to plasmin; profibrinolysin".
Zero misspellings are on record for plasminogen in our index, since its letter sequence doesn't invite the usual edit-distance slips. We don't track a confusable pairing for this entry, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From plasmin + -o- + -gen. The correct English form is plasminogen, spelled P-L-A-S-M-I-N-O-G-E-N.
Definition
- 1The inactive precursor to plasmin; profibrinolysin
Etymology
From plasmin + -o- + -gen.
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 "plasminogen", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 11 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.