thrombosis

/θɹɒmˈbəʊsɪs/

//θɹɒmˈbəʊsɪs// noun

Detailed reference entry for the English word "thrombosis", 10-letters, with pronunciation in International Phonetic Alphabet notation, etymology traced through Germanic and Romance roots where applicable, common misspelling variants catalogued from Wiktionary, and usage frequency ranked against an open word-frequency list covering the top 100,000 English words. PlainSpell covers English, Spanish, Portuguese, French, and German spelling with confusable-pair detection that highlights visually and phonetically similar words. This entry for "thrombosis" includes synonyms, antonyms, homophones, and cross-language translation pointers sourced from Wiktionary via the kaikki.org extract. Whether you are verifying the correct spelling of "thrombosis" for academic writing, checking homophone confusion, or exploring etymological origins, this page provides a citation-backed, free reference that requires no sign-up.

The verdict

“thrombosis” is a moderately-common English word, ranked #34,719 in English word frequency and used as a noun.

#34,719
frequency rank, English
10
letters
16
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) — The formation of thrombi in the blood vessels of a living organism, causing obstruction of the circulation.

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Key facts for thrombosis
PropertyValue
Headwordthrombosis
LanguageEnglish
Part of speechNoun
IPA/θɹɒmˈbəʊsɪs/
Letters10
Frequency rank#34,719
Misspellings tracked16
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “thrombosis” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). thrombosis lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for thrombosis is 10 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /θɹɒmˈbəʊsɪs/. Corpus data places it at rank #34,719 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "The formation of thrombi in the blood vessels of a living organism, causing obstruction of the circulation.".

Our generated misspelling index lists 16 likely wrong-spelling variants for thrombosis, with forms such as "htrombosis", "thhrombosis", and "thormbosis". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From Ancient Greek θρόμβωσις (thrómbōsis, “curdling, clotting”). By surface analysis, thrombus + -osis. Root origin matters for spelling because borrowed morphemes (Greek, Latin, Old French, Old English) carry their source-language orthographic conventions into modern English, which is why historical etymology is often the cleanest predictor of whether a cluster like "-ough", "-eau", or "-tion" will appear. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is thrombosis, spelled T-H-R-O-M-B-O-S-I-S, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.

Definition

  1. 1
    The formation of thrombi in the blood vessels of a living organism, causing obstruction of the circulation.

Etymology

From Ancient Greek θρόμβωσις (thrómbōsis, “curdling, clotting”). By surface analysis, thrombus + -osis.

This word in other languages

Common misspellings

Also misspelled as: htrombosis,thhrombosis,thormbosis,thrmobosis,throbmosis,thrombbosis,thromboiss,thrombosiss,thrombossi,thrombossis,thrombsois,thrommbosis,thromobsis,thrrombosis,trhombosis,tthrombosis

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of thrombosis - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

Edit distance from "thrombosis"

htrombosis2thhrombosis1thormbosis2thrmobosis2throbmosis2thrombbosis1thromboiss2thrombosiss1
Edit distance from "thrombosis"

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.

Cite this page

Free to reuse with attribution (CC BY-SA). Copy the citation:

PlainSpell, “thrombosis, English word data” (May 6, 2026). Derived from Wiktionary (kaikki.org, CC BY-SA) and an open word-frequency list. https://plainspell.com/en/word/thrombosis

Frequently Asked Questions

How do you spell "thrombosis"?
"thrombosis" is spelled T-H-R-O-M-B-O-S-I-S. The IPA pronunciation is /θɹɒmˈbəʊsɪs/.
What does "thrombosis" mean?
As a noun, "thrombosis" means: The formation of thrombi in the blood vessels of a living organism, causing obstruction of the circulation.
What are common misspellings of "thrombosis"?
Common misspellings include "htrombosis", "thhrombosis", "thormbosis", "thrmobosis", "throbmosis". The correct spelling is "thrombosis".
How do you pronounce "thrombosis"?
The IPA (International Phonetic Alphabet) transcription for "thrombosis" is /θɹɒmˈbəʊsɪs/. 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 "thrombosis"?
From Ancient Greek θρόμβωσις (thrómbōsis, “curdling, clotting”). By surface analysis, thrombus + -osis. 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 “thrombosis”

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

  • The one correct English spelling is T-H-R-O-M-B-O-S-I-S - every other letter order is a misspelling in standard orthography.
  • Say it as /θɹɒmˈbəʊsɪs/ (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

Nearby English words

Other entries that begin with the letter T in our English index:

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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.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list