thrombus
"thrombus" is a 8-letter English headword indexed on PlainSpell.
The verdict
“thrombus” is uncommon English (frequency #83,816 among 3,151 “T” headwords), classed as a noun. The kind of spelling people second-guess.
- #83,816
- frequency rank, English
- 3,151
- “T” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A blood clot formed from platelets and other elements that forms in a blood vessel in a living organism, and causes thrombosis or obstruction of the vessel at its point of formation or travel to ot...
Corpus desk
Index EN-thrombus · thrombus · English
thrombus · rank #83,816 · 0 variants · 0 confusables
- FREQ-RARE #83,816
- LEN-LONG 8 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,151
- PHOTO-FINISH thrombin
Nearest frequency peer: thrombin (-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 “thrombus”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- thereunder
thereunder
16,189 corpus weight
- Thessalonica
Thessalonica
16,187 corpus weight
- thrombin
thrombin
16,186 corpus weight
- thrombus
thrombus
16,185 corpus weight
- Thune
Thune
16,184 corpus weight
- timespan
timespan
16,179 corpus weight
What this shows Bars show where “thrombus” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | thrombus |
| Language | English |
| Part of speech | Noun |
| Letters | 8 |
| Frequency rank | #83,816 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “thrombus” sits in English frequency
Rare enough to double-check
thrombus is uncommon English at frequency #83,816 among 3,151 “T” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A blood clot formed from platelets and other elements that forms in a blood vessel in a living organism, and causes thrombosis or obstruction of the vessel at its point of formation or travel to ot...".
Our edit-distance generator produced no likely misspellings for thrombus, suggesting the orthography follows predictable English patterns. No confusable counterpart is on file for this word, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: Borrowed from New Latin thrombus, from the Ancient Greek θρόμβος (thrómbos, “lump, piece, blood clot, milk curd”); compare thrombo-. The correct English form is thrombus, spelled T-H-R-O-M-B-U-S.
Definition
- 1A blood clot formed from platelets and other elements that forms in a blood vessel in a living organism, and causes thrombosis or obstruction of the vessel at its point of formation or travel to other areas of the body.
Etymology
Borrowed from New Latin thrombus, from the Ancient Greek θρόμβος (thrómbos, “lump, piece, blood clot, milk curd”); compare thrombo-.
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); 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 September 3, 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 "thrombus", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 8 letters (nearest by frequency rank).
What to do next
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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.