brachytherapy
/ˌbɹækiˈθɛrəpi/
"brachytherapy" is a 13-letter English headword indexed on PlainSpell.
The verdict
“brachytherapy” is uncommon English (frequency #89,180 among 31,241 “B” headwords), classed as a noun. The kind of spelling people second-guess.
- #89,180
- frequency rank, English
- 31,241
- “B” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Radiotherapy using radioactive sources positioned within (or close to) the treatment volume, typically with radiopharmaceuticals as opposed to external-beam sources.
| Property | Value |
|---|---|
| Headword | brachytherapy |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌbɹækiˈθɛrəpi/ |
| Letters | 13 |
| Frequency rank | #89,180 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “brachytherapy” sits in English frequency
Rare enough to double-check
brachytherapy is uncommon English at frequency #89,180 among 31,241 “B” headwords, classed as anoun, transcribed /ˌbɹækiˈθɛrəpi/. Rarity is why readers land here mid-draft. Gloss: "Radiotherapy using radioactive sources positioned within (or close to) the treatment volume, typically with radiopharmaceuticals as opposed to external-beam sources.".
brachytherapy has no tracked misspelling variants, a straightforward case of a spelling with little room for common typos. No close-neighbour confusable shows up for this headword in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From Ancient Greek βραχύς (brakhús, “short, not far off”) + θεραπεία (therapeía, “attendance, treatment, healing, service”); brachy- + therapy. The correct English form is brachytherapy, spelled B-R-A-C-H-Y-T-H-E-R-A-P-Y.
Definition
- 1Radiotherapy using radioactive sources positioned within (or close to) the treatment volume, typically with radiopharmaceuticals as opposed to external-beam sources.
Etymology
From Ancient Greek βραχύς (brakhús, “short, not far off”) + θεραπεία (therapeía, “attendance, treatment, healing, service”); brachy- + therapy.
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.
Frequently Asked Questions
How do you spell "brachytherapy"?
What does "brachytherapy" mean?
How do you pronounce "brachytherapy"?
What is the origin of the word "brachytherapy"?
Is PlainSpell free to use?
Using “brachytherapy”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is B-R-A-C-H-Y-T-H-E-R-A-P-Y - every other letter order is a misspelling in standard orthography.
- Say it as /ˌbɹækiˈθɛrəpi/ (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
Other uncommon English words near this 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.