rubella
/ɹuːˈbɛlə/
"rubella" is a 7-letter English headword indexed on PlainSpell.
The verdict
“rubella” is uncommon English (frequency #51,375 among 3,094 “R” headwords), classed as a noun. The kind of spelling people second-guess.
- #51,375
- frequency rank, English
- 3,094
- “R” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A mild disease caused by the Rubella virus infecting the respiratory tract, and characterised by a rash of pink dots, fever and swollen lymph nodes.
Corpus desk
Index EN-rubella · rubella · English
rubella · rank #51,375 · 0 variants · 0 confusables
- FREQ-RARE #51,375
- LEN-LONG 7 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,094
- PHOTO-FINISH RSV
Nearest frequency peer: RSV (-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.
Long-tail ranks near “rubella”
Sparse band: bars invert rank so rarer forms read shorter
- ritalin
ritalin
48,633 corpus weight
- Robeson
Robeson
48,631 corpus weight
- rosin
rosin
48,628 corpus weight
- RSV
RSV
48,627 corpus weight
- rubella
rubella
48,626 corpus weight
- seaway
seaway
48,620 corpus weight
What this shows Long-tail view: where “rubella” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | rubella |
| Language | English |
| Part of speech | Noun |
| IPA | /ɹuːˈbɛlə/ |
| Letters | 7 |
| Frequency rank | #51,375 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “rubella” in English
Rare enough to double-check
rubella is uncommon English at frequency #51,375 among 3,094 “R” headwords, classed as anoun, transcribed /ɹuːˈbɛlə/. Rarity is why readers land here mid-draft. Gloss: "A mild disease caused by the Rubella virus infecting the respiratory tract, and characterised by a rash of pink dots, fever and swollen lymph nodes.".
rubella has no tracked misspelling variants, since its letter sequence doesn't invite the usual edit-distance slips. No close-neighbour confusable shows up for this headword in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From Latin rubellus (“reddish”), diminutive of ruber (“red”), from Proto-Indo-European *h₁rewdʰ-. The correct English form is rubella, spelled R-U-B-E-L-L-A.
Definition
- 1A mild disease caused by the Rubella virus infecting the respiratory tract, and characterised by a rash of pink dots, fever and swollen lymph nodes.
Recorded use
Wiktionary examplesThese source excerpts show how rubella appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
At issue is the so-called MMR vaccine, which immunizes children against measles, mumps and rubella, three potentially deadly diseases that were once common and have been mostly wiped out.
They have congenital rubella syndrome, which they acquired during an outbreak of the rubella virus, or German measles.
Etymology
From Latin rubellus (“reddish”), diminutive of ruber (“red”), from Proto-Indo-European *h₁rewdʰ-.
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 "rubella"?
What does "rubella" mean?
How do you pronounce "rubella"?
What is the origin of the word "rubella"?
Is PlainSpell free to use?
Similar English words by spelling shape
Same letter count and similar misspelling depth for "rubella", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 7 letters (nearest by frequency rank).